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单项选择题

You'd better ______ your computer before we use it again.

A．see
B．check
C．begin

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热门试题

单项选择题______ is Lucy's bag, the yellow one or the red one

A．Which
B．What
C．Whose

单项选择题______ ! That's a Japanese car.

A．Look
B．See
C．Meet