一、写出下列单词的过去式1.climb 爬_____________2.turn 转弯____________ 3.learn 学习_____________4.cook dinner 做饭____________ 5.play the piano 弹钢琴____________6.visit grandparents 看望(外)祖父母____________________7.clean the bedroom 打扫卧室__________________________8.wash the clothes 洗衣服__________________________9.answer the phone 接电话 __________________________10.listen to music 听音乐 __________________________11 .clean the room 打扫房间__________________________12.collect insects 收集昆虫__________________________13.jump 跳____________ 14.row 划____________ 15.work 工作____________ 16.show 展示____________ 17.look 看____________ 18.walk 走____________ 19.help 帮助____________20.relax 放松___________ 21.return 归还_____________ 22.pass 传递______________23.watch insects 观察昆虫_______________________24.pick up leaves 采摘树叶______________________2