Put the correct form

1) He (plant)........ trees in the garden at 4 pm yesterday.

2. while They (work)...... she came yesterday.

3. She (paint)........ a picture while her mother (make )........a cake.

4.Anne was riding her bike to school when Peter saw her yesterday.

5. While she (type)........ a letter his boss (go)..... into the room.

6.I (walk)___________down the street when it began to rain.

7.At this time last year, I (attend)__________an English course.

8.Jim (stand) ________ under the tree when he heard an explosion.

9.The boy fell and hurt himself while he (ride)_________ a bicycle

10.The tourist lost his camera while he (walk) _____ around the city

11.While I (study)_____in my room, my roommate (have)________ a party in the other room.

12.Mary and I (dance)_________ the house when the telephone rang

13.Matt and sarah (have) ......some differnces in their relationship lately.

14.She (not/come)....... here for a long time

15.I just (see) ....Andrew and he says he already (do) .... about half of the plan.

ĐIỀN A/AN HOẶC THE HOẶC X

1. This morning I bought….newspaper and …….magazine. …….newspaper is in my bag but I don’t know where I put…..magazine.

2.I like .......skiing

3...... Chinese rarely use forks in the meal

4. Hanoi is .......capital of Vietnam

5.Monday is ...... first day of a week

6. I usually play.... chess with my father at week ends

Put the correct form

1) He (plant)........ trees in the garden at 4 pm yesterday.

2. while They (work)...... she came yesterday.

3. She (paint)........ a picture while her mother (make )........a cake.

4.Anne was riding her bike to school when Peter saw her yesterday.

5. While she (type)........ a letter his boss (go)..... into the room.

6.I (walk)___________down the street when it began to rain.

7.At this time last year, I (attend)__________an English course.

8.Jim (stand) ________ under the tree when he heard an explosion.

9.The boy fell and hurt himself while he (ride)_________ a bicycle

10.The tourist lost his camera while he (walk) _____ around the city

11.While I (study)_____in my room, my roommate (have)________ a party in the other room.

12.Mary and I (dance)_________ the house when the telephone rang

13.Matt and sarah (have) ......some differnces in their relationship lately.

14.She (not/come)....... here for a long time

15.I just (see) ....Andrew and he says he already (do) .... about half of the plan.

ĐIỀN A/AN HOẶC THE HOẶC X

1. This morning I bought….newspaper and …….magazine. …….newspaper is in my bag but I don’t know where I put…..magazine.

2.I like .......skiing

3...... Chinese rarely use forks in the meal

4. Hanoi is .......capital of Vietnam

5.Monday is ...... first day of a week

6. I usually play.... chess with my father at week ends

dựa vào bảng 1 trang 42 sgk hãy cho biết tên kí hiệu của nguyên tử x:

a,nguyên tử x nặng bằng \(\frac{1}{12}\)nguyên tử Canxi

b,\(\frac{1}{4}\)nguyên tử x nặng \(\frac{1}{3}\)nguyên tử kali

c,\(\frac{1}{2}\)nguyên tử x nặng bằng nguyên tử lưu huỳnh

d,nguyên tử x nặng bằng 3.5 nguyên tử oxi

g,nguyên tử x nặng hơn nguyên tử natri 17 đvC

h,nguyên tử x nẹ hơn nguyên tử đồng 18 đvC