—How much do I owe you for this supper —（）. It's nothin……

单项选择题I know nothing about the accident except （）I read in the paper.

A. that
B. for
C. what
D. /

单项选择题Hard work and lack of sleep have （）her beauty and youth in recent years.

A. worn out
B. tried out
C. made out
D. sent out

单项选择题John, （） the office as he was passing, but Mary was out.

A. called for
B. called up
C. called on
D. called at

单项选择题Can you believe that in （）a rich country there should be （）many poor people

A. such; such
B. such; so
C. so; so
D. so; such

单项选择题Air is to us （）water is to fish.

A. that
B. what
C. where
D. how