Câu hỏi: If you take the train, it would be much more convenient.

A. if

B. the train

C. would be

D. much

Câu 1: A smile can be observed, described, and reliably identify, it can also be elicited and manipulated under experimental conditions.

A. identify

B. experimental

C. can also

D. A smile

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

A. Could

B. me

C. how can I

D. the

Câu 4: It is recommended that people to take regular exercise.

A. recommended

B. people

C. to take

D. exercise

Câu 5: If they took their language lesson seriously, they would be able to communicate with the locals now.

A. took

B. seriously

C.  would be

D. with the locals

Câu 6: Henry David Thoreau was an American writer who is remembered for his faith in religious significance of the nature.

A. an

B. is

C. for

D. the nature