句型转换：it happened that they were having a meeting when we arrived.
题目
句型转换：it happened that they were having a meeting when we arrived.
——happened to——a meeting when we arrived.
一个短线填一个单词!
______ happened to ______ ______a meeting when we arrived.
答案
They happened to be having a meeting when we arrived.
我们到得时候他们碰巧在开会.
举一反三
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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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