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

A. in

B. at

C. for

D. on

Câu 4: Although they had no money, _________ .

A. so they were content.

B. for, their content.

C. they were content.

D. but they were content.

Câu 5: 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 6: You can come here either on Monday __________ on Friday.

A. or

B. nor

C. both

D. and