Câu hỏi: Playing games too much is not good …………your eyes.

A. with

B. for

C. on

D. about

Câu 1:  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 2: In the market, the merchants _______ and joked with their friends and neighbours.

A. bargained

B. gardened

C. bearded

D. changed

Câu 3:  It is a very popular play, and it would be wise ______ seats well in advance.

A. occupy

B. book

C. buy

D. preserve

Câu 4:  This ____ is not big enough to cut down a tree.

A. axe

B. hammer

C.  screw

D. knife

Câu 5: The children will not be allowed to come with us if they don’t _______ themselves better.

A. direct

B. behave

C. declare

D. compose

Câu 6: The room was so quiet that she could hear the _____ of her heart.

A. beating

B. tapping

C. knocking

D. striking