On his way home he suddenly remembered that he (not lock) ______ the door of the

游客2023-10-03  26

问题 On his way home he suddenly remembered that he (not lock) ______ the door of the office.

选项

答案 had not locked

解析 该题考查动词的时态。本句从句的动作发生在主句的动作之前,而主句动词是过去时态。从句中动词就应该用过去完成时,表示过去的过去。
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