Câu hỏi: The journalist refused to disclose the sourse of his information.

A. open

B. reveal

C. shut

D. conceal

Câu 1: The teacher gave some suggestions on what would come out for the examination.

A. symptoms

B. demonstrations

C. effects

D. hints

Câu 2: The related publications are far too numerous to list individually.

A. much

B. legion

C. few

D. full

Câu 3: I received housing benefit when I was unemployed.

A. out of order

B. out of fashion

C. out of work

D. out of practice

Câu 4: The situation seems to be changing minute by minute.

A. again and again

B. time after time

C. very rapidly

D. from time to time

Câu 5: She came to the meeting late on purpose so she would miss the introductory speech.

A. aiming at

B. intentionally

C. reasonably

D. with a goal

Câu 6: Around 150 B.C. the Greek astronomer Hipparchus developed a system to classify stars according to brightness.

A. record

B. shine

C. categorize

D. diversify