Hai xe đồng thời xuất phát tại 2 điểm A và B đến gặp nhau. Đoạn đường từ A đến C (C là 1 điểm nằm giữa A và B) là đường nội thành, đoạn đường từ C đến B là đường ngoại thành. Tốc độ tối đa cho các xe trên đường nội thành và ngoại thành là 40km/h và 60km/h. Chiều dài AC = CB = 45km. Thời gian ngắn nhất để 2 xe gặp nhau là bao nhiêu? 

Cho hình thang ABCD (AB//CD); AB = 3cm, DC = 6,5cm. Gọi M là giao điểm của DA và CB.a)Chứng minh ∆MAB ∆ MDC. Tính tỉsốđồng dạng.b)Chứng minh DC.MA = AB.MD.c)Biết diện tích hình thang ABCD bằng 19cm2, tính khoảng cách giữa hai đáy của hình thang ABCDvà diện tích tam giác MAB.

Change the following senteces into pasive voice
1. They are sweeping the streets. __________________________________
2. The mailman had already delivered the mail.
______________________________________________
work
tarmers used fewer pesticides and herbicides, the soil wouldn’t be poisoned.
you don’t tell me what’s wrong, I can’t help you.
you don’t stop swimming in that lake, you will have skin rashes.
John didn’t live in the area attected by air pollution, he wouldn’t have breathing problem
the food isn’t containinated, many people won’t have stomachache.
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3. He used to borrow my pen. __________________________________
4. You needn't do all the homework. __________________________________
5. You ought to tell him early. __________________________________
6. They don't use the room very often. __________________________________
7. They must widen the road to school this year.
______________________________________________
8. Have you done your homework? ____________________________________
9. Did you finish your work early? ________________________________
10. She has to pick fruit very early in the morning.
__________________________________________________
11. The house was dirty because she hadn’t cleaned it for weeks.
________________________________________________________
12. She is taking care of the baby girl. ________________________________
13. Children should treat old men with respect.
____________________________________________
14. She was wearing her new T-shirt when I met her yesterday.
________________________________________________________
15. The waiter brings me this dish. ________________________________
16. Our friends send these postcards to us.
____________________________________________
17. Their grandmother told them this story when they visited her last week.
______________________________________________________________
18. Tim ordered this train ticket for his mother.
____________________________________________
19. You didn’t show me the special camaras.
____________________________________________
20. She showed her ticket to the airline agent.
____________________________________________
21. He lends his friend his new shoes. ____________________________________
22. She left her relatives five million pounds.
____________________________________________
23. The shop assistant handed these boxes to the customer.
________________________________________________________
24. The board awarded the first prize to the reporter.
__________________________________________________
25. Have you sent the christmas cards to your family?
__________________________________________________
26. The committee appointed Alice secretary for the meeting.
________________________________________________________
27. He hides the broken cup in the drawer.
____________________________________________
28. They keep this room tidy all the time. ______________________________________
29. They all voted the party a great success.
____________________________________________
30. We gave Ann some bananas and some flowers.
__________________________________________________
 

Put the verbs in brackets into correct tenses
1. I don’t have time to go to “High Quality Goods Fair”. I wish I (go)______________there.
2. The weather is very hot. I wish it (be) ________________________ cooler.
3. We seldom write to her. I wish we (write) ________________ to her more often.
4. John doesn’t know how to swim. He wishes he (can) __________________ swim.
5. Anna doesn’t buy the book. She wishes she (buy) ____________________ it.
6. Mai doesn’t pass the exam. She wishes she (study) __________________ harder.
7. We will not go to Ha Long Bay next week. I wish we (go) __________________ there.
8. It is raining now. I wish it (stop) ________________________ raining soon.
9. My parents are not in now. I wish they (be) ____________________at home with us now.
10. I know Nam will not lend me his car. I wish he (lend).________________________ it to me.
 

Now women work both before ___ after having their children.
A. or B. also C. nor D. and
10. It is the event ___ a lot.
A. has been talked about B. that has been talked about
C. Has talked about D. that has talked about
11. She ___ hard but also gets on well with her classmates.
A. doesn’t only study B. studies not only
C. not only studies D. not studies only
12. The students weren’t able to finish the test quickly.
A. I was either. B. Neither was I. C. Neither did I either. D. Neither was I able.
13. I am not ready for the next exercise!
A. Neither will he! B. Neither does he! C. He does either! D. Neither is he!
14. He is not a smart student.
A. I won’t either. B. I don’t either. C. I am not either. D. I can’t either.
15. She shouldn’t study more!
A. Neither will I! B. Neither shall I! C. Neither should I! D. I couldn’t either!
16. Lucard doesn’t comes from Italy.
A. I am not either. B. Neither don’t I. C. Neither do I. D. Neither am I.
17. They don’t drive a Honda.
A. I am not either. B. Neither am I. C. Neither do I. D. Neither is mine.
Name: ...............................
Class: ................................
Date: ....25/01/2022.......
Mark:...........................
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18. She will go tonight.
A. So will I. B. I can too. C. I am so. D. I would not.
19. Jacques goes to school to study English.
A. I am too. B. So am I. C. So do I. D. I don’t either.
20. Erika didn’t watch the news on TV last night.
A. I didn’t either. B. Neither do I. C. So did I. D. I didn’t too.
21. They won’t buy a new car.
A. I might either. B. Neither will I. C. I must either. D. And I might not.
 

. Stop talking or you won’t understand the lesson.
→ If____________________________________________
24. I don’t know her number, so I don’t ring her up.
→If____________________________________________
25. I don’t know the answer, so I can’t tell you.
→ If __________________________________________
26. We got lost because we didn’t have a map.
→ If __________________________________________
27. Susan felt sick because she ate four cream cakes.
→________________________________________
28. Without this treatment, the patient would have died.
→______________________________________
29. He lost his job because he was late every day.
→______________________________________
30. Peter is fat because he eats so many chips.
→________________________________________
31. Robert got a bad cough because he started smoking cigarettes.
→
 

12. ______________________________(you/make) yourself ill if you don't eat properly.
13. If the ball ________________ (cross) the line, that would have been the end of the game.
14. If ______________________________(you/drink) up all the orange juice that was in that carton,
you ought to go out and get some more.
15. If everyone __________________________(work) an extra hour a day, it would greatly increase
production.