问题描述：
could you tell me ----you think is the greatest American artist.
后面的--you think is the .,不知是主从句还是是宾从如果填whom就是主从做think的宾语,同事填who,认为you think是插入语
后面的--you think is the .,不知是主从句还是是宾从如果填whom就是主从做think的宾语,同事填who,认为you think是插入语
问题解答：
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