Câu hỏi: She got a terrible mark in the exam so she ........ very hard at all.

A. mustn’t have worked

B. can’t have worked

C. didn’t work

Câu 1: Do you have any knowledge …………….how our education system works?

A. of

B. on

C. for

Câu 2: The minister ...................... is responsiblefor education has just resigned.

A. which

B. who

C. what

Câu 3: I wish that man ....................... tapping hisfingers on the table. It’s reallyannoying me.

A. stopped

B. had stopped 

C. would stop 

Câu 4: This factory produces some of .............. cameras in the world.

A. best

B. the best

C. the most best

Câu 5: The charity is trying to find ways tosave and ............ the world’sendangered animal species. 

A. the charity is trying to find ways to protect

B. to find ways to protect

C. protect

Câu 6: The bookshop …...........… the end of the road is excellent.

A. at

B. on

C. in.