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
If I work in a small factory, it is not ______ for me to gain much experience.
A．lovely
B．lonely
C．likely
D．lively
单项选择题
The first question we will discuss is ______ we should go there so early tomorrow.
A．whether
B．where
C．what
D．whom
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