Câu hỏi: During the _____ the audience strolled and chatted in the foyer.

A. gap

B. pause

C. space

D. interval

Câu 1: Be quiet! It’s rude to ______ people when they are speaking.

A. interfere

B. interrupt

C. prevent

D. introduce

Câu 2: The businessman proved to be an apparently well-behaved ______ middle-aged man.

A. offensive

B. unoffending

C. inoffensive

D. innocent

Câu 3:  Because of the poor harvest, wheat prices have ______ in the last six months.

A. added

B. jumped

C. amounted

D. gathered

Câu 4:  I cannot undo the _____ in this piece of string.

A. bunch

B. lock

C. knot

D. tie

Câu 5: He hit the other boxer so hard that he broke his lower ______.

A. chin

B. wrist

C. shoulder

D. jaw

Câu 6: He has always gone _____ strange hobbies like collecting bottle-tops and inventing secret codes.

A. into

B. by

C. in for

D. through