Câu hỏi: We must take steps to preserve natural resources; otherwise the planet will be in danger. 

A. Unless we take steps to preserve natural resources, the planet will be in danger. 

B. Unless we take steps to preserve natural resources,the planet will not be in danger.

C. If we take steps to preserve natural resources, the planet would be in danger.

D. If we take steps to preserve natural resources,the planet will be in danger. 

Câu 1: The car was so expensive that I didn’t buy it

A. The car was not so cheap that I couldn’t buy it. 

B. The car was such expensive that I didn’t buy it. 

C. The car was cheap enough for me to buy

D. The car was too expensive for me to buy

Câu 2: Jill drives more carefully than Rose

A. Rose drives less careful than Jill.

B. Jill drives carelessly than Rose. 

C. Jill is a more careful driver than Rose.

D. Jill is a more carefully driver than Rose. 

Câu 3: When we were children we          skating. 

A. had gone

B. were going 

C. go 

D. used to go

Câu 4: “If I were you, I would take the job,” said my room-mate. 

A. My room-mate was thinking about taking the job. 

B. My room-mate advised me to take the job.

C. My room-mate introduced the idea of taking the job to me. 

D. My room-mate insisted on taking the job for me. 

Câu 5: The police had to let her _________ because of insufficient evidence. 

A. go

B. to go 

C. going 

D. gone

Câu 6: It is raining hard, so our meeting has to be _________ till next Saturday? 

A. put off

B. put down 

C. put up 

D. put away