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

A. on

B. in

C. to

D. up

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

A. down

B. up

C. at

D. in

Câu 2: She’s very old and can’t live alone. She needs someone to look _________ her.

A. up

B. for

C. after

D. through

Câu 3: I keep sneezing because I got wet_________ the way home yesterday.

A. during

B. at

C. by

D. on

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

A. by

B. of

C. with

D. to

Câu 5: Pay attention _______all traffic signs when you are travelling in the street.

A. for

B. on

C. to

D. from

Câu 6: Plant and animal extinction leads _________ loss of biodiversity.

A. on

B. in

C. into

D. to