单项选择题

Last year, the production rate______ by 20%.

A．rose
B．raised
C．arose
D．aroused
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单项选择题
He told me______ afraid because I had done nothing wrong.
A．to be not
B．not to be
C．not being
D．being not
单项选择题
John isn't a diligent student, for it is the third time he has been late, ______
A．wasn't
B．hasn't it
C．isn't it
D．hasn't he
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