I couldn't understand ______ at the poor child.A．you to laughB．you laughC．why la_刷题宝

题干

I couldn't understand ______ at the poor child.

A．you to laugh

B．you laugh

C．why laugh

D．you laughing

上一题下一题 0.64难度单项选择更新时间:2010-06-18 10:17:20

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