问题描述：
what和which的区别!
在这两个句子中,what和which是不是可以互换,并且意思一样!what is your favorite
which subject do you like best?
在这两个句子中,what和which是不是可以互换,并且意思一样!what is your favorite
which subject do you like best?
问题解答：
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