Câu hỏi: Plant and animal extinction leads _________ loss of biodiversity.

A. on

B. in

C. into

D. to

Câu 1: They held a party to congratulate _______ their son’s success to become an engineer.

A. on

B. in

C. to

D. up

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: Don’t you know what happened _________ the people who went on holiday with us?

A. about

B. to

C. by

D. at

Câu 4: This organization is quick __________ sending relief goods to the flooded areas.

A. at

B. as

C. up

D. by

Câu 5: Do you know anyone who might be interested _________buying an old car?

A. on

B. in

C. with

D. about

Câu 6: Governments have enacted laws to protect wildlife ________commercial trade and overhunting.

A. from

B. without

C. for

D. at