Câu hỏi: The two scientists disagreed and a _______ argument developed.

A. wet

B. bitter

C. salty

D. sour

Câu 1:  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 2:  If you are so senseless as to go on long walks in tight fitting shoes, you must expect to get _________ .

A. scars

B. bruises

C. blisters

D. spots

Câu 3: The bicycle was moving so fast that its rider could not ______ an accident.

A. leave

B. avoid

C. miss

D. overtake

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

A. beating

B. tapping

C. knocking

D. striking

Câu 6: The toy boat turned over and sank to the _______ of the pool.

A. basis

B. bottom

C. ground

D. depth