问题描述:
have you got your.后面有加S的情况如have you got your crayons 书上就加了S而,
have you got your sketch-book 书上又没加S那么到底怎样区分呢、?
have you got your sketch-book 书上又没加S那么到底怎样区分呢、?
问题解答:
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