Câu hỏi: Both Mr. and Mrs. Smith are explaining the children the rules of the game.

A. Both Mr. and Mrs. Smith

B. are

C. explaining

D. the children the rules of the game

Câu 1: There are many reasons why a particular species may become endangering.

A. endangering

B. may

C. a

D. reasons why

Câu 2: The harder he tried, the worst he danced before the large audience.

A. before

B. the

C. worst

D. tried

Câu 3: Foreign students who are doing a decision about which school to attend may not know exactly where the choices are located

A. are doing

B. about which

C. to attend

D. the choices

Câu 4: Hardly did he enter the room when all the lights went out.

A. did he enter

B. when

C. the lights

D. went

Câu 5: David, who mother is Vietnamese, speaks both Vietnamese and English fluently.

A. who

B. is

C. speaks 

D. fluently

Câu 6: The man for who the police are looking robbed the bank yesterday.

A. who

B. are

C. robbed

D. the bank