I

1, B – to be

2, B – since

3, A – Dung

4, D – Glassware

5, A – to get

6, C – play

7, D – so as to

8, A – so that

9, B – recycle

10, C – reduce

11, A – looked after

12, B- best

II

1, Miss. Jackson asked me to wait for her outside her office.

2, Nam told Lan to help him with his Math problem.

3, I used to eat a lot of candies when I was a child.

4, My sister is not old enough to ride her bike to school.

5, We have studied English 5 years ago.

6, I love playing sports.

III

1, to improve

2, cooking

3, get

4, going

IV

1, The farmer said he had something called wisdom, but he left at home that day.

2, He went to get the wisdom, but before that he tied the tiger to a tree with rope because he didn't want it to eat the buffalo.

3, When he returned, the farmer brought some straw with him. He said it was his wisdom.

4, He lit the straw and the fire burned the tiger. The tiger escaped, but it still has black stripes from the burns today.

Chúc bạn học tốt và sức khỏe nha!