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人家帮我,永记心上!1.-Whoisthemanoverthere?IsitMr.Li?-No,it(can't)behim.Mr.Liismuchtaller.2.You(mustn't)swiminthispartofthelake.It'sdangerous.什么时候用can't和mustn't?

题目详情
人家帮我,永记心上!
1.-Who is the man over there?Is it Mr.Li?
-No,it(can't)be him.Mr.Li is much taller.
2.You (mustn't)swim in this part of the lake.It's dangerous.
什么时候用can't 和mustn't?
▼优质解答
答案和解析
can't 表示不可能,在否定或疑问里面表示推测
must't表示禁止