Câu hỏi: 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 1: 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 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 harder he tried, the worst he danced before the large audience.

A. before

B. the

C. worst

D. tried

Câu 4: 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 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: A child of noble birth, his name was famous among the children in that school.

A. of

B. his name

C. among

D. in that