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

A. after

B. up

C. to

D. through

Câu 1: I put your keys in the drawer _______ they cannot get lost.

A. because

B. let alone

C. instead of

D. so that

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

A. key

B. response

C. agreement

D. demand

Câu 4: A curriculum that ignores ethnic tensions, racial antagonisms, cultural _______ and religious differences is pot relevant.

A. diversity

B. contacts

C. barriers

D. levels

Câu 5: He was very respectful at home and _______ to his parents.

A.  responsible

B. caring

C. obedient

D. lovely

Câu 6: You should not burn _______. You had better dig a hole and bury it.

A. dishes

B. lab

C. garbage

D. shift