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: In my experience, freshmen today are different from those I knew 25 years ago.

A. first-year students

B. new students

C. new counselors

D. young professors

Câu 3: I am sure that they will be sacked on the spot.

A. employed

B. hired

C. given

D. fired

Câu 4: If desired, garnish your plate with parsley, bell pepper rings or other vegetables.

A. decorate

B. replace

C. associate

D. provide

Câu 5: 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

Câu 6: Professor Berg was very interested in the diversity of cultures all over the world.

A. variety

B. changes

C. conservation

D. number