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Lilydoesn'tknowabouttheproblems.Lilydoesn'tknowabouttheproblems.A.whototalkB.whototalkto求区别,

题目详情
Lily doesn't know____about the problems.Lily doesn't know____about the problems.A.who to talk B.who to talk to 求区别,
▼优质解答
答案和解析
a.who to talk 意思是,丽丽不知道,由谁来说这个问题.
b.who to talk to意思是,丽丽不知道要对谁来说这个问题.