Mr. Green ______his breakfast when an old lady came to the door.A、just hadB、hav

游客2023-09-26  16

问题 Mr. Green ______his breakfast when an old lady came to the door.

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

答案 D

解析 当老妇人来到门口时,格林先生刚好吃完早餐。由于时间状语从句使用了过去时,我们就可以肯定主句也只能使用过去时态,故B、C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,所以主句动作要用完成时态,when在这里的意思为“在……之前”,相当于before。
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