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

A. from

B. without

C. for

D. at

Câu 1: What did that man die ________? –A heart attack.

A. by

B. of

C. with

D. to

Câu 2: Where is Jimmy? – He is ________ work. He is busy _________ his monthly report.

A. at/ with

B. at/ at

C. at/ to

D. on/ with

Câu 3: A game is divided ____________quarters.

A. from

B. into

C. at

D. of

Câu 4: Not all books belong _________this class.

A. in

B. to

C. for

D. at

Câu 5: A beautiful clock was given _________ her by a handsome boy.

A. down

B. up

C. to

D. with

Câu 6: They held a party to congratulate _______ their son’s success to become an engineer.

A. on

B. in

C. to

D. up