问题描述:
Helen___her keys in the office,so she had to wait until her husband___home.a.has left,come
b.left,had come c.had left,come d.had left,would come
帮帮忙啊~~~
解释一下~~~
b.left,had come c.had left,come d.had left,would come
帮帮忙啊~~~
解释一下~~~
问题解答:
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