Question

The manager was very angry，for he had sent his business partner two thousand machines yesterdy，half of     unqualified．

  A．whom    B what    C them   D．which

Answer 1

C

解析:

考查人称代词作独立主格的逻辑主语。句意：经理非常生气，因为他已发给他商业伙伴两千台机器，其中一半有质量问题。half of     unqualified．是独立主格结构，half of     是unqualified的逻辑主语，of是介词，所以此处要用宾格。