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: 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 2: I was very tired, ________ I determined to walk on to the next village.

A. therefore

B. however

C. and

D. or

Câu 3: Although they had no money, _________ .

A. so they were content.

B. for, their content.

C. they were content.

D. but they were content.

Câu 4: The sun is shining and there are very few clouds; _______, I am sure it is going to rain.

A. what's more

B. hence

C. thus

D. nevertheless

Câu 5: We are not allowed _______ jeans at school.

A. wear

B. to wear

C. wearing

D. worn

Câu 6: He studies _______ his two brothers.

A. much better than

B. more better than

C. more good than

D. very better than