Câu hỏi: Having finished his tem paper before the deadline, it was delivered to professor before the class.

A. having finished

B. before

C. it was delivered

D. before

Câu 1: The world is becoming more industrialized and the number of animal species that have become extinct have increased.

A. industrialized

B. species

C. extinct 

D. have

Câu 2: It is very difficult for her to prevent him for smoking in her house.

A. very

B. for 

C. prevent 

D. for smoking

Câu 3: The harder he tried, the worst he danced before the large audience.

A. worst

B. the

C. before

D. tried

Câu 4: Could you tell me how can I get to the city library, please?

A. Could

B. me

C. how can I

D. the

Câu 5: Neither William or his brother stole the rambutans from our orchard.

A. or 

B. stole 

C. from

D. our orchard

Câu 6: Each of the members of the group were made to write a report every week.

A. were

B. members

C. to write

D. week