单项选择题

Without electricity human life ______ quite different today.

A．is
B．will be
C．would have been
D．would be
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单项选择题
I applied for the job that I saw advertised ______ the paper.
A．on
B．of
C．in
D．at
单项选择题
______ their luggage, the tourists hurried to the airport.
A．Packed
B．After packed
C．Having packed
D．Packing
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