【题目】写出下列单词的过去式。
1.help____________ 2.win______________
3.lose____________ 4.play_____________
5.is____________ 6.go______________
【答案】helped won lost played was went
【解析】
略

【题目】写出下列单词的过去式。
1.help____________ 2.win______________
3.lose____________ 4.play_____________
5.is____________ 6.go______________
【答案】helped won lost played was went
【解析】
略