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1、Its dangerous.Be careful.Dont play with fire.Dont climb the window.Dont run downstairs.Dont touch it.climb touch downstairs carefulplay with fire dangerous1234Be careful,be careful.Dont run downstairs.Its dangerous.Dont climb the window.Its dangerous.Dont play with fire.Its dangerous.Be careful,be c
2、areful.祈使句的否定形式祈使句的否定形式Dont open the window.Dont play the computer games. Dont climb.Be careful Dont play with fire.Its dangerous. Dont run downstairs.Its dangerous. Dont touch it.Its dangerous. Dont stand on the chair.Be carefulDont climb the tree.Be careful Dont touch it.Its dangerous. Dont sit on the desk. Dont talk.A: Dont climb the window. Its dangerous.B: Sorry,I wont.Pair work.New words and phrases:climbcarefuldangeroustouchplay with fire downstairs 触摸，碰触摸，碰 玩火玩火 小心的，仔细的小心的，仔细的危险的危险的往楼下往楼下 爬爬