作业帮"Who's books are these?""they are Tom's"这句话错在哪里
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"Who's books are these?""they are Tom's"这句话错在哪里
"Who's books are these?""they are Tom's"这句话错在哪里
"Who's books are these?""they are Tom's"这句话错在哪里
应该是 Whose books are these