were invented 考点为被动语态对吗?
题目
were invented 考点为被动语态对吗?
If thalidomide _________(invent) today,it would never be released for human use because new tests on pregnant animals would reveal the dangers.
答案
were invented
虚拟语气 用were 代替was
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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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