we do jobs when they need to be done and that could be early in the morning 为什么要加be ...
题目
we do jobs when they need to be done and that could be early in the morning 为什么要加be ...
we do jobs when they need to be done and that could be early in the morning 为什么要加be done和be early?
答案
因为第一个be是被动语态的助动词.
第二个be是be early这个动词短语的一部分.
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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