Câu hỏi: 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 1: Those who had already purchased tickets were instructed to go to gate first immediately.

A. Those

B. had already purchased

C. gate first

D. immediately

Câu 2: 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 3: The assumption that smoking has bad effects on our health have been proved.

A. that

B. effects

C. on

D. have been proved

Câu 4: By the time Robert will finish writing the first draft of his paper, most of the other students will have completed their final draft.

A. will finish

B. writing

C. most

D. their

Câu 5: The leader demanded from his members a serious attitude towards work, good team spirit, and that they work hard.

A. leader

B. his members

C. attitude

D. that they work hard

Câu 6: People in every part of the world readily and easily communicates by means of electronic mail.

A. every part

B. readlily

C. communicates

D. by means