单项选择题

We usually have a lot of staff illness ______ the winter period.

A．for
B．since
C．over
D．while
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单项选择题
Mother takes great pleasure ______ pictures of our children.
A．in showing
B．to show
C．showing
D．show
单项选择题
I cannot sleep. The dog next door is making too much noise. I wish it ______ quiet.
A．kept
B．would keep
C．had kept
D．will keep
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