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

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

单项选择题—Have great changes taken place in your village —Yes. A new school was （）in the village last year.

A. held up
B. set up
C. sent up
D. brought up

单项选择题The question is （）the film is worth seeing.

A. if
B. what
C. whether
D. how