Câu hỏi: Maintaining biodiversity is important _______ us in many ways.

A. in

B. for

C. from

D. by

Câu 1: When you pick _________a book for the first time, check that it is not too difficult.

A. in

B. since

C. on

D. up

Câu 2: Mozart died ________ Vienna in 1791 _________ the age of 35.

A. in / on

B. in / at

C. at / in

D. of / for

Câu 3: What did that man die ________? –A heart attack.

A. by

B. of

C. with

D. to

Câu 4: A game is divided ____________quarters.

A. from

B. into

C. at

D. of

Câu 5: This organization is quick __________ sending relief goods to the flooded areas.

A. at

B. as

C. up

D. by

Câu 6: He didn’t even have the intelligence to call _________ an ambulance.

A. to

B. for

C. by

D. with