单项选择题

This was a piece of news of great importance to every man and woman who ______ waiting anxiously outside the building.

A．were
B．has been
C．have been
D．was
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单项选择题
A committee was set up to ______ the plans put forward by Congress last year.
A．implement
B．complement
C．compliment
D．supplement
单项选择题
Don't touch that wire. It's ______.
A．living
B．alive
C．live
D．lively
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