Câu hỏi: My mother takes care ............... sick children.

A. about

B. in

C. at

D. of

Câu 1:  The ball ______ two or three times before rolling down the slope.

A. bounced

B. sprang

C. leapt

D. skipped

Câu 2: The doctor _________me not to stay up too late at night.

A. advised

B. suggested

C. insisted

D. forced

Câu 3:  In the central region the dry season is long and severe, and the ______ annual rainfall is only about 70 cm.

A. refreshing

B. general

C. average

D. greatest

Câu 4: In the market, the merchants _______ and joked with their friends and neighbours.

A. bargained

B. gardened

C. bearded

D. changed

Câu 5: The bicycle was moving so fast that its rider could not ______ an accident.

A. leave

B. avoid

C. miss

D. overtake

Câu 6:  It is a very popular play, and it would be wise ______ seats well in advance.

A. occupy

B. book

C. buy

D. preserve