what (happen)to you before the police arrived
题目
what (happen)to you before the police arrived
his family (not hear)from him since he went to America
how many awards ( ) juliet()(get)by the end of2008
答案
1 had happened ( 动作发生在 arrived 之前
2 haven't heard( SINCE 与现在完成时连用)
3 had ,got ( 根据by the end of 2008可知
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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