【精品】四年级下英语〔练习〕Module10Unit1-Period1外研社三起点〔2019秋〕一.写出以下单词的过去式。1.carry-2.bump-3.happen-4.find-5.buy-6.fall-7.do-8.go-9.have-10.take-答案:1.carried2.bumped3.happened4.found5.bought6.fell7.did8.went9.had10.took二.翻译以下单词或者短语1.ride__________2.falloff____________3.bump_______4.buywatermelon___________5.thirsty_______6.carry____________答案:1.骑2.摔倒3.撞...