We ______our breakfast when an old man came to the door.A、just have hadB、have j

游客2024-11-02  6

问题 We ______our breakfast when an old man came to the door.

选项 A、just have had
B、have just had
C、just had
D、had just had

答案 D

解析 由于时间状语从句使用了过去时,我们就可肯定主句也只能使用过去的时态,故A和B错误。根据句意,尤其是根据句中just,我们就可推断出,从句动作发生在主句动作之后,所以王句动作要用完成体,when在这里作“在……之前”,讲,相当于before。
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