1+2+1=4 nhé

Câu trả lời là 98833.

k mình nè

Ư(20)=0;2;4;5;10;20

nên suy ra A=20

Change these sentences into pasive voice.

How many games will the team play?

-> How many games will be played by the team ?

Who will they keep in the kitchen?

-> Who will be kept in the kitchen ?

What time will the boys hand in their papers?

-> What time will their papers be handed by the boys ?

How many marks will the teacher give him?

-> How many marks will be given to him by the teacher ?

XI. Choose the best answer

1. The boys ….. home for lunch because they are planning to visit the hydro-power station.

A. have not come B. do not come C. will not coming D. is not coming

2. It is going to rain any minute now. The children ………. in the rain.

A. is being caught B. will be caught C. is caught D. are caught

3. They ………….. a test tomorrow : we don’t want to disturb them.

A. will have B. will be having C. had D. have

4. They ………… that we have gone without telling them.

A. are thinking B. though C. think D. will be thinking

5. ….. you…….. up this book for me, please?

A. Will… be wrapping B. Are… going to wrap C. will … wrap D. Have… wrapped

6. We ………… solar panels in the schoolyard while we are checking racks in water pipes.

A. put B. have put C. will put D. will be putting

7. at 7.00 tomorrow, you ………. to school.

A. cycle B. will be cycled C. will cycle D. will be cycling

8. Solar energy …………. by many countries in the world in the future.

A. will use B. use C. will be used D. will be using

9. You are not still angry,…………………..?

A. did you B. do you C. have you D. are you

10. His father………………of cancer last year.

A. will die B. had died C. has died D. died

11. She has worked as a secretary…………………..…she graduated from college.

A. since B. while C. from D. until

12. Could you turn the music……………….a little. It’s too loud.

A. on B. off C. down D. up

13. They worked hard………………………….het good marks.

A. so as to B. so that C. for D. so as

14. ……………………..helping me with the washing?

A. Would you mind B. Would you like C. Do you like D. Could you

15. She wanted to return to the village………………………..she was born.

A. where B. that C. what D. when

16. She works……………………than I do.

A. hardier B. more hard C. harder D. more hardly

17. Children have to stay……………………school until they are 15.

A. at B. on C. to D. with

18. I can………………..with most thing but I can’t stand noisy children.

A. put up B. put on C. put aside D. put off

19. ……………..the weather forecast it will rain heavily later this morning.

A. According to B. By C. From D. Throughout

20. What…………………..do tomorrow?

A. you are going to B. are you going C. you are going D. are you going to

22. Mike lives in Paris,……………………….?

A. isn’t it B. isn’t he C. don’t he D. doesn’t he

22. In my opinion, you……………….smoke so much.

A. shouldn’t B. shouldn’t C. needn’t D. don’t have to

23. When Philip was at school, he……………speak English quite well.

A. was able B. could C. able to D. can

24. When I……………home, she………………….music.

A. come/ listening to B. came/ was listening to

C. came/ listened to D. come/ was listening

25. Paris is………………….than London.

A. beautiful B. more beautifully C. more beautiful D. beautifuller

26. Ben Spears…………………..by a policeman.

A. is stopped B. to be stopped C. are stopped D. being stopped

27. She told me……………..out.

A. to getting B. get C. to get D. gets

28. Would you mind if I………………here.

A. parking B. park C. parked D. can park

bảng 3 nhé các bạn yêu mếncủa tôi à

tớ không biết bài này .cảm ơn các bạn giúp mình nhé

A= 2+2²+2³+...+2¹⁰

2A= 2(2+2²+2³+...+2¹⁰)

2A=2²+2³+2⁴+...+2¹¹

2A-A=(2²+2³+2⁴+...+2¹¹) - (2+2²+2³+...+2¹⁰)

A=2¹¹ - 2 = 2046 chia hết cho 3!!!