Câu hỏi: What we know about certain diseases are still not sufficient to prevent them from spreading easily among the population.

A. What we know

B. are

C. from spreading

D. among

Câu 1: Society uses such human emotions as proud, shame, guilt, and fear to maintain itself.

A. such human

B. proud

C. guilt

D. itself

Câu 2: After spending two days arguing about where to go for their holidays, is was decided that they shouldn’t go anywhere.

A. arguing

B. for

C. is was decided

D. shouldn’t go

Câu 3: The number of women earning Master's Degrees have risen sharply in recent years.

A. number

B. earning

C. have risen

D. recent years

Câu 4: A novel is a story long enough to fill a complete book, in that the characters and events are usually imaginary.

A. long enough

B. complete

C. that

D. imaginary

Câu 5: Some species of bats are dormant each days and active every night.

A. species of

B. each days

C. every night 

D. are dormant

Câu 6: It is vitally important that she takes this medication night and morning.

A. vitally

B. that

C. takes

D. medication