题目内容
【题目】—How did you know that? ( )
—I _______ on the Internet.
A.look up itB.look it upC.looked it up
【答案】C
【解析】
略
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题目内容
【题目】—How did you know that? ( )
—I _______ on the Internet.
A.look up itB.look it upC.looked it up
【答案】C
【解析】
略