单项选择题

The children are standing ______ the starting line and are ready ______run.

A．at; to
B．at; for
C．in; to
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—Do you want this hook—Yes, I want ______.
A．it
B．one
C．be
单项选择题
Which game ______ you ______ today
A．are ; on
B．do ; in
C．are ; in
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