Câu hỏi: 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 1: Should you mind telling me the way to the nearest restaurant?

A. Should

B. telling me

C. to

D. nearest

Câu 2: 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 3: It is important that you turned off the heater every morning before you leave for class.

A. turned off

B. before

C. important

D. leave for

Câu 4: Because her sickness she didn’t take part in the English competition held in Sunday.

A. Because

B. she

C. take

D. held

Câu 5: There are many reasons why a particular species may become endangering.

A. endangering

B. may

C. a

D. reasons why

Câu 6: Most of the houses on the street was built in the previous century.

A. of

B. on

C. previous

D. was