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

A. out of

B. for

C. into 

D. behind

Câu 1: 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 2: I need some small change to……..the porter. 

A. dip

B. chip

C. sip

D. tip

Câu 3: Argh! This noise is giving me a ________.

A. Headouch

B. Headache

C. Headpain

D. Headhurt

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

A. explanation

B. knowledge

C. experiment

D. theory

Câu 5: The police questioned all guests. They……………….that one of them was a spy.

A. wondered 

B. surprised 

C. challenged

D. suspected

Câu 6: There has been a lot of………..against nuclear weapons.

A. criticism

B. contest

C. protest 

D. conflict