Câu hỏi: The police questioned all guests. They……………….that one of them was a spy.

A. wondered 

B. surprised 

C. challenged

D. suspected

Câu 1: It ________ easy to paint pictures if you knew how to.

A. would be

B. had been

C. would have been

D. be

Câu 2: There has been a lot of………..against nuclear weapons.

A. criticism

B. contest

C. protest 

D. conflict

Câu 3: We don't sell foreign newspapers because there is no……….for them.

A. request

B. claim

C. suggest

D. ask

Câu 4: Einstein's …….is really too difficult for the average people to understand. 

A. explanation

B. knowledge

C. experiment

D. theory

Câu 5: She didn't ……….doing the ironing, as she didn't want to go out anyway.

A. object

B. matter

C. refuse 

D. mind

Câu 6: I talked to _______ grandmother for three hours last night.

A. he

B. him

C. his

D. himself