They want to know ________ do to help us.A．what can theyB．how they canC．what the_刷题宝

题干

They want to know ________ do to help us.

A．what can they

B．how they can

C．what they can

D．how can they

上一题下一题 0.85难度单项选择更新时间:2010-06-08 05:50:03

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