问题描述：
下列各句中均有一个错误,请讲错误指正并改正.is this yours book?what is this?-it are a book .
what colour are this skirts?-it are a book
what does he looks like?
are they eggs?-yes,they're
what colour are this skirts?-it are a book
what does he looks like?
are they eggs?-yes,they're
问题解答：
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