Câu hỏi: This organization is quick __________ sending relief goods to the flooded areas.

A. at

B. as

C. up

D. by

Câu 1: His father used the money he won to set_________ his own company.

A. down

B. up

C. at

D. in

Câu 2: Governments have enacted laws to protect wildlife ________commercial trade and overhunting.

A. from

B. without

C. for

D. at

Câu 3: Not all books belong _________this class.

A. in

B. to

C. for

D. at

Câu 4: She’s very old and can’t live alone. She needs someone to look _________ her.

A. up

B. for

C. after

D. through

Câu 5: Reviewers describe books _______ “hard-to-put-down”, or “hard-to-pick-up-again”.

A. as

B. for

C. into

D. in

Câu 6: He worked hard ________ a mechanic for ten years before being appointed manager.

A. as

B. at

C. with

D. by