Câu hỏi: "Why didn't you buy that car?" - "Because it was so expensive that I couldn't……….it. 

A. afford

B. give 

C. have

D. offer

Câu 1: Argh! This noise is giving me a ________.

A. Headouch

B. Headache

C. Headpain

D. Headhurt

Câu 2: After you have paid a bill, you are given a ………to show that you have paid

A. receive

B. receipt 

C. receiver

D. reception

Câu 3: The police questioned all guests. They……………….that one of them was a spy.

A. wondered 

B. surprised 

C. challenged

D. suspected

Câu 4: I need some small change to……..the porter. 

A. dip

B. chip

C. sip

D. tip

Câu 5: Einstein's …….is really too difficult for the average people to understand. 

A. explanation

B. knowledge

C. experiment

D. theory

Câu 6: 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