问题描述：
This is one of the best books that ______ appeared this year.A.has B.have C.is D.are 英语三级
This is one of the best books that ______ appeared this year.A.has B.have C.is D.are
请问选哪个,为什么啊,请求详解,
This is one of the best books that ______ appeared this year.A.has B.have C.is D.are
请问选哪个,为什么啊,请求详解,
问题解答：
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