Câu hỏi: The tablets .............. with food.

A. must take

B. must be taken

Câu 1: Wine .................... grapes.

A. is made by

B. is made from

C. Either could be used here.

Câu 2: I can’t see it- it must ....................

A. have been taken

B. be taken

Câu 3: 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 4: Since the first space mission many communication satellites ..........................

A. was launched

B. are launched

C. have been launched

D. had been launch

Câu 5: These shoes .................. of leather.

A. are made

B. were made

Câu 6: It ............... Mexico.

A. is imported to

B. is imported from