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

A. who

B. is

C. speaks 

D. fluently

Câu 1: The director, as well as his wife and two children, were injured in the accident.

A. the

B. well

C. were

D. in

Câu 2: Mr. Smith, along with her cousins from Canada, are planning to attend the firework display in Da Nang, Vietnam.

A. with

B. her cousins

C. are

D. to attend

Câu 3: There are many reasons why a particular species may become endangering.

A. endangering

B. may

C. a

D. reasons why

Câu 4: If I had studied carefully, I wouldn't made so many mistakes.

A. I had

B. carefully

C. made

D. so many

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 teacher together with his students have finished their project on time.

A. The

B. together 

C. have

D. their