问题描述：
the scientist ___ you wish to see has come already.
The scientist ___ you wish to see has come already.
A.he B.him C.which D /
为什么选D?
为什么？
The scientist ___ you wish to see has come already.
A.he B.him C.which D /
为什么选D?
为什么？
问题解答：
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