Câu hỏi: Professor Berg was very interested in the diversity of cultures all over the world. (Mark the letter A, B, C, or D to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions.)

A. variety

B. changes

C. conservation

D. number

Câu 1: It's hard work looking _______ three children all day.

A. after

B. up

C. to

D. through

Câu 2: Many young people have objected to _______ marriage, which is decided by the parents of the bride and groom.

A. agreed

B. shared

C. contractual

D. sacrificed

Câu 3: Mr. Pike held his wife's hands and talked urgently to her in a low voice, but there didn't seem to be any response. (Mark the letter A, B, C, or D to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions.)

A. feeling

B. emotion

C. reply

D. effect

Câu 4: I believe that he was concerned ______ all those matters which his wife mentioned.

A. with

B. over

C. upon

D. above

Câu 5: You should _______ more attention to what your teacher explains.

A. make

B. get

C. set

D. pay

Câu 6: While I am waiting _______ my bus, I often listen _______ music.

A. on / at

B. for / to

C. toward / about

D. upon / in