If our product ____ unsatisfactory within 7 days in any way, you can take it bac

题干

If our product ____ unsatisfactory within 7 days in any way, you can take it back.

A．shows

B．proves

C．makes

D．performs

上一题下一题 0.64难度单项选择更新时间:2013-03-15 08:19:58

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