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

A. efficiently

B. differently

C. variously

D. freshly

Câu 1: He was very respectful at home and _______ to his parents.

A.  responsible

B. caring

C. obedient

D. lovely

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: It is not easy to ________ our beauty when we get older and older.

A. develop

B. maintain

C. gain

D. collect

Câu 4: One of Vietnamese traditions is a belief in _______ families and in preserving their cultures.

A. wealthy

B. secure

C. safe

D. close-knit

Câu 5: I put your keys in the drawer _______ they cannot get lost.

A. because

B. let alone

C. instead of

D. so that

Câu 6: Some researchers have just _______ a survey of young people's points of view on contractual marriage.

A. sent

B. directed

C. managed

D. conducted