问题
选择题
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
答案
答案：A
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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
答案：A