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

A. from

B. without

C. for

D. at

Câu 1: Pay attention _______all traffic signs when you are travelling in the street.

A. for

B. on

C. to

D. from

Câu 2: The initiative for founding the Red Cross came _____ a Swiss man called Jean Henri Dunant.

A. from

B. with

C. through

D. to

Câu 3: Not all books belong _________this class.

A. in

B. to

C. for

D. at

Câu 4: 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 5: 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 6: He worked hard ________ a mechanic for ten years before being appointed manager.

A. as

B. at

C. with

D. by