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

A. was launched

B. are launched

C. have been launched

D. had been launch

Câu 1: It ................ next week.

A. is been published

B. is being published

Câu 2: In a few months, the firm ....................... its production.

A. is increased

B. will be increasing

C. will be increased

D. has increasing

Câu 3: The day before yesterday we .............................a very bad storm.

A. had had

B. were having

C. had

D. have had

Câu 4: These shoes .................. of leather.

A. are made

B. were made

Câu 5: It ............... Mexico.

A. is imported to

B. is imported from

Câu 6: Wine .................... grapes.

A. is made by

B. is made from

C. Either could be used here.