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

A. couple

B. pair

C. twins

D. double

Câu 1: 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 2: The computer allows us to work fast and _______.

A. efficiently

B. differently

C. variously

D. freshly

Câu 3: Affected by the Western cultures, Vietnamese young people's attitudes _______ love and marriage have dramatically changed.

A. for

B. with

C. through

D. towards

Câu 4: Some researchers have just _______ a survey of young people's points of view on contractual marriage.

A. sent

B. directed

C. managed

D. conducted

Câu 5: It's hard work looking _______ three children all day.

A. after

B. up

C. to

D. through

Câu 6: The ______ to success is to be ready from the start.

A. key

B. response

C. agreement

D. demand