The manager was very angry, for he had sent his business partner two thousand machines yesterday, ha...
2023-02-04 16:24:43 54次 20102011年辽宁省高二下学期期末考试英语 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The manager was very angry, for
he had sent his business partner two thousand machines yesterday, half of
_________ unqualified.
A. them B.
what C.
which D. whom
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