Câu hỏi: 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 1: Socially, the married _______ is thought to be the basic unit of society.

A. couple

B. pair

C. twins

D. double

Câu 2: The ______ to success is to be ready from the start.

A. key

B. response

C. agreement

D. demand

Câu 3: While I am waiting _______ my bus, I often listen _______ music.

A. on / at

B. for / to

C. toward / about

D. upon / in

Câu 4: He was determined to give his family a secure and solid _______.

A. base

B. floor

C. basement

D. ground

Câu 5: _______ is the study of the Earth's physical features and the people, plants, and animals that live in different regions of the world.

A. Science

B. Geography

C. History

D. Technology

Câu 6: 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