I_

1, C

2, A

3, C

4, A

5, D

II_

1, D

2, A

3, D

4, D

5, B

III_ 

a, cricket

b, skiing

c, volleyball

d, swimming

e, football

f, tennisball

g, chess

h, puzzle 

V_

1, didn't see

2, brought

3, cried

4, could/was

5, prepared

6, ate

7, Did/sit

8, were

9, forgot

10, played

VI_

- do: aerobics, homework, housework

- go: V_ing ( bạn điền tất cả các từ có đuôi ing vào cột nhé )

- play: các từ còn lại

IV_

1, wrote

2, saw

3, made

4, bought

5, rode

6, wore

7, heard

8, began

9, met

10, told

11, put

12, spoke

13, knew

14, cut

15, read

16, went