单项选择题

They tried to restrict access to ______ they believed to be dangerous areas.

A．which
B．what
C．that
D．everywhere
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When you have finished that book, don' t forget to put it on the bookshelf,______
A．do you
B．will you
C．don't you
D．won't you
单项选择题
You must ______ your application before next Wednesday.
A．meet
B．hand
C．submit
D．pay
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