drop ;fail ;use ;invent ;thank ;own ;allow ;explore ;的过去式和过去分词是什么?
题目
drop ;fail ;use ;invent ;thank ;own ;allow ;explore ;的过去式和过去分词是什么?
答案
drop dropped dropped
fail failed failed
use used used
invent invented invented
thank thanked thanked
own owned owned
allow allowed allowed
explore explored explored
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