1 do you prefer

2 is having

3 don't like

4 know

5 is singing

6 is - laughing

is watching

1, do-prefer

2,is having

3,don't like

4,know

5,is singing

6,is-laughing, is watching

1 Are you enjoying

2 I am getting

3 is doing

4 is working

5 isn't helping

6 is calling

7 are you planning

.

Em ơi đăng tách bài ra mỗi lượt đăng 1-2 bài thôi nha!

A

1 were having

2 wasn't listening

3 was lying - was eating

4 were smiling - was taking

5 were - arguing

6 was talking

7 was - chatting

8 wasn't sleeping

B

1 was raining

2 was wearing

3 carrying

4 were leaving

5 were hurrying

6 wasn't wearing

7 was standing

8 was - following 

bạn đăng tách ra nhé 

a, \(-\dfrac{1}{15}x^6y\)hệ số -1/15 ; biến x^6y ; bậc 7 

b, \(-10y^2\left(8y^3z^3\right)\left(25z^2\right)=-2000y^5z^5\)hệ sộ -2000 ; biến y^5z^5 ; bậc 10 

c, \(\dfrac{3}{10}u^3v^4\)hệ số 3/10 ; biến u^3v^4 ; bậc 7 

d, \(40u^4v\left(-27v^3\right)=-1080u^4v^4\)hệ số -1080 ; biến u^4v^4 ; bậc 8 

1. had lived /moved.

2. died /were performing.

3. was /haven't seen.

4. was cleaning /noticed.

5. finished /had been.

6. was crossing /caught.

7. was /booked.

8. hear /shouted.

9. had you read/ interrupted.

10. wanted/ had already done.

11. watched/ didn't realise.

12. tidied/ sat/ had.

13. Have you ever visited/ lived.

14. called/ saw.

15. came/ had forgotten.