Câu hỏi: Before leaving camp, the Boy Scouts .............. the fire.

A. were put out

B. had been put out

C. put out 

D. had putted out 

Câu 1: Since the first space mission many communication satellites ..........................

A. was launched

B. are launched

C. have been launched

D. had been launch

Câu 2: Wine .................... grapes.

A. is made by

B. is made from

C. Either could be used here.

Câu 3: It .................. by next Friday.

A. has to be done

B. has been done

Câu 4: In a few months, the firm ....................... its production.

A. is increased

B. will be increasing

C. will be increased

D. has increasing

Câu 5: It............ by courier this morning.

A. was sent

B. is sent

Câu 6: Concert tickets .................... at the box office.

A. is selling

B. sold

C. are sold

D. is sold