Câu hỏi: Vietnam carried _________an intensive program for its athletics, which included training in facilities, both home and abroad.

A. for

B. at

C. out

D. of

Câu 1: Toxic chemicals in the air and land have also driven many species ______ the verge of extinction.

A. of

B. about

C. at

D. to

Câu 2: A game is divided ____________quarters.

A. from

B. into

C. at

D. of

Câu 3: 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 4: Not all books belong _________this class.

A. in

B. to

C. for

D. at

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: We benefit greatly ____________the medicines and other products that biodiversity provides.

A. from

B. without

C. for

D. at