题目

I knew the lady________Bill when she spoke of a bright young boy.  A.referred to                                        B.was referring to  C.pointed at                                         D.was pointing at 答案: point at为“瞄准”;refer to意指,指的是,句中when引导的从句表示的动作与空格处所填词表示的动作是同时发生的,因此应用进行时态。据题意选B。 答案: B
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