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

A. can you

B. will you

C. do you

D. are you

Câu 1: 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 2: The police had to let her _________ because of insufficient evidence. 

A. go

B. to go 

C. going 

D. gone

Câu 3: It is no use           to him - He neverlistens. 

A. talk

B. to talk

C. talking 

D. talked 

Câu 4: I didn't arrive in time to see her. 

A. I was early enough to see her. 

B. I wasn't early enough to see her.

C. I didn't want see her.

D. She didn't want to see me.

Câu 5: You          forget what I told you . It is very important

A. need not 

B. don't have to

C. must not

D. shan't

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