单项选择题

______ about the robbery, the policemen rushed out in their cars to catch the robbers.

A．Having been informed
B．Having informed
C．Informing
D．Be informed
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Whether she will go or not is ______
A．uncertain
B．unsure
C．unable
D．unexpected
单项选择题
What she does is often contrary ______ what she says.
A．upon
B．in
C．to
D．for
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