An idea came to him ___ he might do the experiment in another way.A．whichB．whenC_刷题宝

题干

An idea came to him ___ he might do the experiment in another way.

A．which

B．when

C．what

D．that

上一题下一题 0.85难度单项选择更新时间:2013-06-09 09:27:51

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