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题目
写出下列动词的过去式和过分去词.1.go 2.study 3.have 4.become 5.see 6.buy 7.discover 8.begi

提问时间:2020-10-04

答案
原形 过去式 过去分词go went gonestudy studied studied have had hadbecome became becomesee saw seenbuy bought boughtdiscover discovered discoveredbegin began begun
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