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Lucyhadfewclosefriends.Soshedidn’tknow

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问题详情:

Lucyhadfewclosefriends.Soshedidn’tknow

Lucy had few close friends. So she didn’t know _________________ about the trouble.

A. who to talk                       B. who to talk to

C. who to say                        D. what to talk


【回答】

B

知识点:非谓语动词

题型:选择题

标签:tknow