It is time for class. Will you please get the blackboard__________?A．to clean B．_刷题宝

题干

It is time for class. Will you please get the blackboard__________?

A．to clean

B．cleaning

C．cleaned

D．having cleaned

上一题下一题 0.4难度单项选择更新时间:2011-11-21 08:24:13

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