Câu hỏi: Their house .............. last week.

A. was bought

B. has been bought

Câu 1: It ............... Mexico.

A. is imported to

B. is imported from

Câu 2: She ................ promoted again.

A. has been

B. is

Câu 3: We .......................... all the windows last weekend.

A. washed

B. were washed

C. was washing

D. wash

Câu 4: It............ by courier this morning.

A. was sent

B. is sent

Câu 5: 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 6: Since the first space mission many communication satellites ..........................

A. was launched

B. are launched

C. have been launched

D. had been launch