I. 1. are...going/am going

2. is listening

3. are working

4. is singing

5. are playing

6. is...doing/is doing

7.is eating

8. are waiting

9. Is...going/is going

10. is watching 

II. 1, aren't playing/ are playing

2, brushes 

3 go 

4 are

5 are...doing/am reading

6 Do..have

7 aren't

8 isn't listening/ is looking

9. doesn't do

10. does...go

11 is/ is brushing / brushes 

12 does...have

13 isn't 

14 is drinking

15 Are there.....

16 go

17 start/ finish

18 walks/ has

19 aren't

20 are having

Bài 1.Chia động từ

1. Where are you going now?

- i am going to the market.

2. My brother is listening to the music at moment.

3. My parents are working in the garden now.

4. Listen! Mai is singing.

5. The boys are playing soccer at present.

6. What is she doing now? She is doing math.

7. Mr Quang is eating his breakfast at the moment.

8. Tuan and Ba are waiting for the bus now.

9. Is Hoa going to the supermaket now? No, she is going to the zoo.

10. He is watching Tv at the moment.

Mình sẽ bổ sung sau