单项选择题

I have no doubt ______ we will overcome all the difficulties.

A．whether
B．which
C．that
D．if
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单项选择题
Is your camel blind ______ the left eye The man asked again.
A．in
B．on
C．with
D．of
单项选择题
Come to the blackboard and share your opinion with us, ______
A．do you
B．will you
C．shall we
D．don’t you
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