单项选择题

______ what to do, the man telephoned the police.

A．Not known
B．Not knowing
C．Don't know
D．Knowing not
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单项选择题
______ that some guests were coming, they got the rooms ready.
A．Having told
B．Having been told
C．Telling
D．To tell
单项选择题
This company provides 5,000 pens ______ the students in this village school every term.
A．with
B．on
C．in
D．for
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