单项选择题

We must finish the job, no matter （） difficult it is.

A．however
B．how
C．whatever
D．what

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单项选择题
Nick is unusually bright, so his great success has been （）。

A．hoped
B．expected
C．promised
D．asked
单项选择题
It's quite difficult （） whether Joe will be fit for the job.

A．see
B．to see
C．seeing
D．to be seen
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