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

A. go

B. to go 

C. going 

D. gone

Câu 1: Are you satisfied               the result of the final test? 

A. to

B. of

C. about 

D. with

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

A. can you

B. will you

C. do you

D. are you

Câu 4: 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 5: 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 6:                 his childhood in DALAT, he knew the city well

A. To spend 

B. Spent

C. Having spent 

D. To have spent