单项选择题

All the kids are crying now. What（）makes them so unhappy

A．it is
B．is it
C．it is that
D．is it that

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单项选择题
On no account （） held responsible for the car accident, so he should not be put into prison.

A．the driver can be
B．can the driver be
C．the driver be
D．be the driver
单项选择题
Unfortunately, the package I was expecting was （） to the wrong address.

A．written
B．given
C．packed
D．delivered
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