some years later robots can walk with two legs.改为否定句
some years later robots can walk with two legs.改为否定句
英语人气:224 ℃时间:2020-03-26 04:27:49
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some years later robots can't walk with two legs.some为什么不变anysome years later在这是作状语,不用改为any区别:There are some people in the room .-> There aren't any people in the room
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