单项选择题

A．He is calling.
B．He needs help.
C．He is ill.
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单项选择题
A．It’s made of metal and glass.B．It’s made of metal and wood.C．It’s made of paper, not metal.
A．It’s made of metal and glass.
B．It’s made of metal and wood.
C．It’s made of paper, not metal.
单项选择题
A．B．C．
A．
B．
C．
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