A.worriedB.noticedC.painedD.botheredHe never（）to read t……

单项选择题Since we can't hear you at the back of the hall, you'll have to（）your voice.

A.improve
B.increase
C.raise
D.open

单项选择题The price they offered for my old car was so low that I（）it down.

A.brought
B.turned
C.called
D.refused

单项选择题The noise of the traffic（）Paul from his work.

A.prevented
B.distracted
C.angered
D.upset

单项选择题People appreciate（）with him because he has a good sense of humor.

A.working
B.to have worked
C.to work
D.having worked

单项选择题Nobody knows how long and how seriously the shakiness（不稳定） of big businesses will （） down the economy.

A.put
B.settle
C.drag
D.knock