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课件18张PPT。Unit2Can I use your computer?Lesson7Windows are dirty.dirty 肮脏的Shall we clean them?clean 清洁Ok, let’s.let’s 我们一起做My bike is brokenbroken 坏了的Shall we fix it?fix 修理Ok, let’s fix it.The plants are dry.dry 干燥的Shall we water them?water 浇水Ok, let’s water them.make the bed pick up the toysclean the...