单项选择题

A．Because computers are hard to reach.
B．Because everyone has their computers locked.
C．Because computers are not very secure.
D．Because companies ask them to do it.
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单项选择题
A．The man and woman shopped all over the town.B．The woman bought some bookcases on sale.C．The woman went to many different stores.D．The man sold the woman some expensive bookcases.
A．The man and woman shopped all over the town.
B．The woman bought some bookcases on sale.
C．The woman went to many different stores.
D．The man sold the woman some expensive bookcases.
填空题
C
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