Câu hỏi: Most children enjoy _______ with their parents and siblings.

A. play

B. to play

C. playing

D. played

Câu 1: Sometimes Mr. Pike has to work very late _______ night to do some important experiments.

A. in

B. at

C. for

D. on

Câu 2: Hoa: Where did you go during your summer vacation, Mai?

A. Yes, I went to Hanoi.

B. No, I didn’t got to Hanoi.

C. I went to Hue.

D. I went there with my mother.

Câu 3: These quick and easy _______ can be effective in the short term, but they have a cost.

A. solve

B. solvable

C. solutions

D. solvability

Câu 4: The red jacket is _______ the blue jacket.

A. expensiver than

B. more expensive than

C. the most expensive

D. most expensive

Câu 5: Her brother is ______ soccer player on his team.

A. the better

B. better than

C. the most good

D. the best

Câu 6: You are old enough to take _______ for what you have done.

A. responsible

B. responsibility

C. responsibly

D. irresponsible