Câu hỏi: 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

Câu 1: 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 2: We decided______out because because of the bad weather. 

A. to not go 

B. not go

C. not to go

D. not going 

Câu 3: 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 4: Don't forget to come here in time,            ?

A. can you

B. will you

C. do you

D. are you

Câu 5:                 his childhood in DALAT, he knew the city well

A. To spend 

B. Spent

C. Having spent 

D. To have spent

Câu 6: People have discovered a new source of energy. 

A. A new source of energy have been discovered by people.

B. A new source of energy has discovered.

C. A new source of energy has been discovered.

D. A new source of energy have been discovered.