Câu hỏi: Because her sickness she didn’t take part in the English competition held in Sunday.

A. Because

B. she

C. take

D. held

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

A. endangering

B. may

C. a

D. reasons why

Câu 2: She did not know where most of the people in the conference was from.

A. did not

B. where

C. the

D. was

Câu 3: Most of the houses on the street was built in the previous century.

A. of

B. on

C. previous

D. was

Câu 4: 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 5: David, who mother is Vietnamese, speaks both Vietnamese and English fluently.

A. who

B. is

C. speaks 

D. fluently

Câu 6: I had my motorbike repair yesterday but now it still doesn’t work.

A. had

B. repair

C. but now

D. work