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

A. in

B. for

C. from

D. by

Câu 1: His father used the money he won to set_________ his own company.

A. down

B. up

C. at

D. in

Câu 2: When are you leaving __________ Singapore? This week or next week?

A. for

B. to

C. from

D. of

Câu 3: He worked hard ________ a mechanic for ten years before being appointed manager.

A. as

B. at

C. with

D. by

Câu 4: What did that man die ________? –A heart attack.

A. by

B. of

C. with

D. to

Câu 5: 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 6: I keep sneezing because I got wet_________ the way home yesterday.

A. during

B. at

C. by

D. on