23a

24c

25d

26b

27d

28a

29a

30b

31a

32d

33d

34b

35c

36b

37b

38d

39d

40d

II

1 are, playing

2 isn't

3 help

4 listens

5 rains

6 is sleeping

7 to eat

8 go

24.c   25.d   26.b   27.d   28.a   29.b   30.b   

31.a   32.d   33.d   34.b   35.c   36.b   37.b   

38.d   39.d   40.c

phần 2

1.What are Nhi and Hoa playing now?

2.She is not a doctor 

3.We often help mom do housework on saturday.

4.Nam listens to music every night

5.It often rains in the rainy season

6.Don't talk.The baby is sleeping

7.she would like to eat some cakes 

8.why don't we go to the museum