buy,do,have,see,open的过去式和过去分词是什么呀?
题目
buy,do,have,see,open的过去式和过去分词是什么呀?
答案
buy bought bought
do did done
have had had
see saw seen
open opened opened
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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