hold,give,send,choose,open的过去式和过去分词是什么? hold held heldgive gave givensend sent sentchoose chose chosenopen opened opened
open的过去式和过去分词 过去式:opened过去分词:opened第三人称单数:opens现在分词:opening
buy,do,have,see,open的过去式和过去分词是什么呀? buy bought boughtdo did donehave had hadsee saw seenopen opened opened