单项选择题

A computer can only do ______ you have instructed it to do.

A．how
B．after
C．what
D．when
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单项选择题
I have done much of the work. Could you please finish ______ in two days
A．the rest
B．the other
C．another
D．the others
单项选择题
______ the punishment was unfair, he accepted it without complaint.
A．So long as
B．Even though
C．Since
D．While
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