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

A. therefore

B. however

C. and

D. or

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: 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 3: Nam: Did you buy a lot of souvenirs in Hanoi, Nga?

A. I bought a lot of souvenirs in Hanoi.

B. I did.

C. Yes, I bought.

D. Yes, I did.

Câu 4: He studies _______ his two brothers.

A. much better than

B. more better than

C. more good than

D. very better than

Câu 5: She's not only beautiful_________ intelligent.

A. but also

B. but

C. however

D. yet

Câu 6: Sometimes Mr. Pike has to work very late _______ night to do some important experiments.

A. in

B. at

C. for

D. on