单项选择题

Automatic machines can only do the jobs they ______ to do.

A．have asked
B．ask
C．have been asked
D．will ask
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单项选择题
She has neither read the book nor ______ the film.
A．seen
B．sees
C．see
D．saw
单项选择题
She is very careful. She ______ very few mistakes in her work.
A．does
B．makes
C．takes
D．gets
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