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: It ................. last week.

A. should be done

B. should have been done

Câu 2: The tablets .............. with food.

A. must take

B. must be taken

Câu 3: Tropical fruits .................... by farmers in the lowland region.

A. are grown

B. grown

C. are growing

D. grow

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

A. was sent

B. is sent

Câu 5: Do you think the project ................ by Friday?

A. will be finished

B. is finished

Câu 6: She complains that she ................................ headaches.

A. has frequently had

B. has been frequently

C. has frequently

D. had frequently been had