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

A. in

B. at

C. for

D. on

Câu 1: John is _______ only child in his family so his parents love him a lot.

A. a

B. an

C. the

D. no article

Câu 2: Although they had no money, _________ .

A. so they were content.

B. for, their content.

C. they were content.

D. but they were content.

Câu 3: It _______ it is parents' responsibility to take good care of their children.

A. commonly says that

B. commonly to be said that

C. is commonly said that

D. is commonly saying

Câu 4: Her brother is ______ soccer player on his team.

A. the better

B. better than

C. the most good

D. the best

Câu 5: She's not only beautiful_________ intelligent.

A. but also

B. but

C. however

D. yet

Câu 6: The red jacket is _______ the blue jacket.

A. expensiver than

B. more expensive than

C. the most expensive

D. most expensive