单项选择题

Without computers, we ______the tremendous medical advancement in the last few decades.

A．would not make
B．will not have made
C．could not make
D．couldn't have made
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单项选择题
To one's boss, an employee should dress neatly, be ______and show interest in the job.
A．instant
B．timely
C．punctual
D．quick
单项选择题
She ______ in the feet on her way home from work.
A．was hurting
B．is hurt
C．hurts
D．got hurt
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