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

A. occupy

B. book

C. buy

D. preserve

Câu 1: The toy boat turned over and sank to the _______ of the pool.

A. basis

B. bottom

C. ground

D. depth

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:  As soon as the children were _____ , their mother got them out of bed and into the bathroom.

A. woke

B. wake

C. awake

D. waken

Câu 4:  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 5: After lunch I felt ______ enough to ask my boss for rise.

A. strong

B. bold

C. encouraged

D. bald

Câu 6:  The ball ______ two or three times before rolling down the slope.

A. bounced

B. sprang

C. leapt

D. skipped