Complete each sentences with the correct from of the words or phrases from the box
1 David enjoys ________________(play) soccer every weekend.
2.Kathy thinks________________(kayaking) is a good exerise because it's so peaceful to be on the water

3.Does Dat enjoy ___________(work out)at the gym

4.Dat likes ___________(sing) to the radio while she's driving.

5.Jack spends 2 hours a day __________________(write a blog)about her travels.

6.Rock________________(climbing) is a difficult and dangerous sport.

7.Jerry loves doing______________(yoga)at the end of a long day at work.

8.Has Henry ever been ________________(lifting) weights at the gym lately?

Viết câu hỏi theo kiểu pasive voice :

1.The cars was driven by Mark.

2.The plane was flown over the airfield.

3.Two bottles of coke and drunk by him every day.

4.No,flowers aren't picked by secretaries.

5.Yes, Material girl was sung by Madonna.

Rewrite the sentences in pasive voice .
1.They visited this museum yesterday.
2.I am watching a football match now.
3.Pam has found the keys the table.
4.Mona is washing the clothes now.
5.You have made a lot of mistakes.
6.Bill will bring sandwiches.
7.They attend lectures every day.
8.We are meeting the relatives now.
9.He will copy this text.
10.He has bought a new car.
11.We are playing volley ball now.
12.Our teacher explained the rule.
13.She translates the texts every day.
14.She is watching a comedy flim now.
15.He put the candle on the table.
16Pam has bought a new ring recently.
17.He will correct the mistakes.
18.I have got a beautiful present.
19.The cat dropped the vase yesterday.
20.I am playing the piano now.

Phân tử kẽm cacbonat gồn 1 nguyên tử zn,1 nguyên tử c và n nguyên tử o.

Phân tử ozon nặng bằng 0,384 phân tử kẽm cacbonat .Tính n

Khối lượng tính theo g của 1 phân tử hidrosunfua:0,5644.10-22(g).(xH,S)

A-Xác định thành phần phân tử hidrosunfua.

B-Phân tử hidrosunfua nặng 17/14 phân tử Nito(xN)

Xác định thành phần phân tử nito.

C-Hidrosunfua và nito :chất nào là đơn chất,chất nào là hợp chất.

Một phân tử chất gồm 4 nguyên tử nhôm và n nguyên tử cacbon

phân tử này nặng hơn phân tử õi 0,5 lần

tính N xác định thành phần nguyên tử

Một phân tử gồm 2 nguyên tử X liên kết với 3 nguyên tử õi.

Phân tử này nặng hơn nguyên tử brom 1,275 lần.

Xác định nguyên tử X suy ra thành phần phân tử

1.He _______his house for weeks (paint)

2.They ________the new bridge since last year (build)

3.You and Jane _________for five hours (dance)

4. They_________vegetables since 2004(sell)

5.You _________in this factory since 2007 (work)

6.My grandfather_________stamps for ages(collect)

7.We _______football for tree hours (play)

-40 mình dùng máy tính nha