单项选择题

The policeman put down the phone, ______ with a smile on his face.

A．satisfied
B．satisfying
C．to be satisfied
D．having satisfied
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单项选择题
He looked as if he ______ ill for a long time.
A．was
B．were
C．has been
D．had been
单项选择题
If it ______ another ten minutes, the game would have been called off.
A．had rained
B．would have rained
C．have seen
D．rained
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