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: Socially, the married _______ is thought to be the basic unit of society.

A. couple

B. pair

C. twins

D. double

Câu 2: His ideas about marriage are quite different ______ mine.

A. with

B. from

C. for

D. on

Câu 3: You should _______ more attention to what your teacher explains.

A. make

B. get

C. set

D. pay

Câu 4: Sometimes she does not agree _______ her husband about child rearing but they soon find the solutions.

A. for

B. on

C. with

D. of

Câu 5: 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

Câu 6: It's hard work looking _______ three children all day.

A. after

B. up

C. to

D. through