2. 职称英语
  3. When I last saw them, the police had chased the robbers down Columbus Street.A、w

When I last saw them, the police had chased the robbers down Columbus Street.A、w

游客2023-12-31  57
问题 When I last saw them, the police had chased the robbers down Columbus Street.
选项 A、were chasing
B、was chasing
C、chased
D、were on a chase
答案 A
解析 时态应用在由when引导的时间状语从句的句子中，主句和从句的谓语动词的动作是有先后次序的，如状语从句的时态是一般过去时，主句应用过去时，本句表示过去正在做的动作，所以应用过去进行时；又因主语the police即状语中的them，所以谓语为复数，答案应为A。
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