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

A. open

B. reveal

C. shut

D. conceal

Câu 1: Did anyone acknowledge responsibility for the outbreak of the fire?

A. inquire about

B. accept

C. report

D. find out

Câu 2: Professor Berg was very interested in the diversity of cultures all over the world.

A. variety

B. changes

C. conservation

D. number

Câu 3: “It’s no use talking to me about metaphysics. It’s a closed book to me.”

A. a subject that I don’t understand

B. a theme that I like to discuss

C. a book that is never opened

D. an object that I really love

Câu 4: The augmentation in the population has created a fuel shortage.

A. increase

B. necesity

C. demand

D. decrease

Câu 5: When being interviewed, you should concentrate on what the interviewer is saying or asking you.

A. relate on

B. be interested in

C. impress on

D. pay attention to

Câu 6: At last, we succeeded in persuading those boys and girls to join our picnic.

A. At the end

B. In the end 

C. Lastly

D. Endlessly