do,have,stop,eat,drink,sing的单三,现在分词,过去式
题目
do,have,stop,eat,drink,sing的单三,现在分词,过去式
答案
do does doing did
have has having had
stop stops stopping stopped
eat eats eating ate
drink drinks drinking drank
sing sings singing sang
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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