单项选择题

There is something wrong with my ear, so I must have it ______.

A．checking
B．checked
C．to check
D．check
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单项选择题
A．Mary bought an old record player.B．Mary doesn’t like :the record player.C．Mary threw the old player away.D．Mary doesn’t want to buy a new record player.
A．Mary bought an old record player.
B．Mary doesn’t like :the record player.
C．Mary threw the old player away.
D．Mary doesn’t want to buy a new record player.
单项选择题
The first two problems are very difficult, but the rest ______ easy.
A．is
B．are
C．has
D．have
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