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

A. who

B. is

C. speaks 

D. fluently

Câu 1: Hardly did he enter the room when all the lights went out.

A. did he enter

B. when

C. the lights

D. went

Câu 2: Oxygen plays a important role in maintaining live.

A. a

B. plays

C. role

D. live

Câu 3: I can’t go out tonight because I have too many work to do.

A. can’t

B. because

C. too many

D. to do

Câu 4: He passed the exams with high scores, that made his parents happy.

A. passed

B. with

C. that 

D. happy

Câu 5: Optimists believe that in future we will be living in a cleaner environment, breathing fresher air and eat healthier food.

A. Optimists believe

B. in future

C. living in a cleaner

D. eat healthier food

Câu 6: The Oxford English Dictionary is well known for including many different meanings of words and to give real examples.

A. well known

B. The 

C. meanings 

D. to give