Câu hỏi: The number of students attending universities to study economics have increased steadily in the last few years.

A. of students

B. attending

C. economics

D. have

Câu 1: Each of the members of the group were made to write a report every week.

A. were

B. members

C. to write

D. week

Câu 2: The bones of the elderly are more prone to fractures than of young people.

A. the elderly 

B. more

C. to

D. of

Câu 3: My pen has very few ink in it, so could you give me some

A. has 

B. few ink

C. could

D. some

Câu 4: 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 5: My teacher is very strict and he always makes us to finish all the exercises before leaving school.

A. is

B. strict

C. to finish

D. leaving school

Câu 6: Could you tell me how can I get to the city library, please?

A. Could

B. me

C. how can I

D. the