-
最佳答案:原形,过去式,过去分词play,played,playedstudy,studied,studiedrain ,rained ,rainedfly ,flew
-
最佳答案:分别是:played,played,fixed,fixed,succeeded,succeeded,announced,announced,refused,re
-
最佳答案:play played playedclean cleaned cleanedstop stoped stopedtry tried tried