Câu hỏi: 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. 

Câu 1: Don't forget to come here in time,            ?

A. can you

B. will you

C. do you

D. are you

Câu 2: When we were children we          skating. 

A. had gone

B. were going 

C. go 

D. used to go

Câu 3: “It’s too stuffy in this room, isn’t it?” said the guest.

A. The guest suggested that the room should be aired. 

B. The guest remarked that the room should not be aired.

C. It’s too stuffy in this room, isn’t it

D. The guest said that there is too much stuff in the room

Câu 4:          is it from here to the supermarket? - Two kilometres

A. How much 

B. How often 

C. How long 

D. How far

Câu 5: “I would study English if I were you,” Mai’s friend said. 

A. Mai’s friend advised her to study English.

B. Mai’s friend advised her to have studied English.

C. Mai’s friend said that she was like Mai.

D. Mai told her friend to study English.

Câu 6: 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.