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

A. on / at

B. for / to

C. toward / about

D. upon / in

Câu 2: One of Vietnamese traditions is a belief in _______ families and in preserving their cultures.

A. wealthy

B. secure

C. safe

D. close-knit

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 put your keys in the drawer _______ they cannot get lost.

A. because

B. let alone

C. instead of

D. so that

Câu 5: The ______ to success is to be ready from the start.

A. key

B. response

C. agreement

D. demand

Câu 6: He was _______ when I had those problems and said whatever I did he would stand by me.

A. supportive

B. exciting

C. busy

D. dull