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

A. axe

B. hammer

C.  screw

D. knife

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

A. bargained

B. gardened

C. bearded

D. changed

Câu 2: The room was so quiet that she could hear the _____ of her heart.

A. beating

B. tapping

C. knocking

D. striking

Câu 3: The toy boat turned over and sank to the _______ of the pool.

A. basis

B. bottom

C. ground

D. depth

Câu 4:  It is a very popular play, and it would be wise ______ seats well in advance.

A. occupy

B. book

C. buy

D. preserve

Câu 5: He couldn’t ____ the thought of leaving his home town for ever. 

A. think

B. bear

C. carry

D. hold

Câu 6: My mother takes care ............... sick children.

A. about

B. in

C. at

D. of