Câu hỏi: 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 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: The teacher together with his students have finished their project on time.

A. The

B. together 

C. have

D. their

Câu 4: Unlike many writings of her time, she was not preoccupied with morality.

A. writings

B. of her time

C. preoccupied

D. with morality

Câu 5: Oxygen plays a important role in maintaining live.

A. a

B. plays

C. role

D. live

Câu 6: Because her sickness she didn’t take part in the English competition held in Sunday.

A. Because

B. she

C. take

D. held