Câu hỏi: 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 1: I keep sneezing because I got wet_________ the way home yesterday.

A. during

B. at

C. by

D. on

Câu 2: Vietnam carried _________an intensive program for its athletics, which included training in facilities, both home and abroad.

A. for

B. at

C. out

D. of

Câu 3: Maintaining biodiversity is important _______ us in many ways.

A. in

B. for

C. from

D. by

Câu 4: They held a party to congratulate _______ their son’s success to become an engineer.

A. on

B. in

C. to

D. up

Câu 5: She’s very old and can’t live alone. She needs someone to look _________ her.

A. up

B. for

C. after

D. through

Câu 6: A beautiful clock was given _________ her by a handsome boy.

A. down

B. up

C. to

D. with