13.Sam couldn't how to print out the document until the teacher showed it to him. A.go through B.figure out C.come up D.get over 答案:B 解析:句意:直到老师告诉山姆.他才知道怎么印刷这个文件.figure out “知道.弄明白.想出 . 查看更多

 

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Sam couldn’t ________ how to print out the document until the teacher showed it to him.

A.go through       B.figure out  C.come up   D.get over

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