Câu hỏi: The rivers can be…………..by chemicals. 

A. poisonous 

B. contaminated

C. flooded

D. polluting

Câu 1: Can you see the man ______ is sitting at that table?

A. whose

B. who

C. whom

D. which

Câu 2: She didn't ……….doing the ironing, as she didn't want to go out anyway.

A. object

B. matter

C. refuse 

D. mind

Câu 3: There has been a lot of………..against nuclear weapons.

A. criticism

B. contest

C. protest 

D. conflict

Câu 4: The decision was……….until a later meeting. 

A. cancelled

B. arranged

C. postponed

D. moved

Câu 5: He can make change in his timetable when he wants to. It means that he's got a……….timetable. 

A. modern 

B. fashionable

C. flexible

D. convenient

Câu 6: The elevator isn't running now. It must be….order. 

A. out of

B. for

C. into 

D. behind