__we are doing has never been done before
题目
__we are doing has never been done before
A that B what
答案
___we are doing has never been done before.B,What 是正确答案[What] we are doing has never been done before.✓这样的读法是正确的[That] we are doing has never been done before.✗如果用'that...
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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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