Câu hỏi: The bomb exploded in the garage; fortunately no one hurt.

A. taken off

B. went off

C. put on

D. hold up

Câu 1: Professor Berg was very interested in the diversity of cultures all over the world.

A. variety

B. changes

C. conservation

D. number

Câu 2: S. Mayo Hospital in New Orleans was so named in recognition of Dr. Mayo’s outstanding humanitarianism.

A. unpopular

B. widespread

C. remarkable

D. charitable

Câu 3: If people’s interference with the environment decreases, more species will survive and produce offspring.

A. children

B. ancestor

C. descent

D. result

Câu 4: I didn’t think his the comments were very appropriate at the time.

A. correct

B. right

C. exact

D. suitable

Câu 5: I am sure that they will be sacked on the spot.

A. employed

B. hired

C. given

D. fired

Câu 6: This quartet of extraodinarily talented musicians generated a phenomenal number of pieces that won gold records.

A. irresponsible

B. incompetent

C. stupid

D. crazy