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: My father asked me where had I gone the night before.

A. asked

B. the 

C. before

D. had I

Câu 3: 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

Câu 4: Most of the houses on the street was built in the previous century.

A. of

B. on

C. previous

D. was

Câu 5: If I had studied carefully, I wouldn't made so many mistakes.

A. I had

B. carefully

C. made

D. so many

Câu 6: Unlike many writings of her time, she was not preoccupied with morality.

A. writings

B. of her time

C. preoccupied

D. with morality