One thing you can't do with your mobile phone., One thing you should do after class today., Two things you must do before you catch a plane., Three things you don't have to do when you're on vacation., Two things you shouldn't do the night before an exam., Two things you must do if you shop online., Two things you must do and two things you must not do when you're driving., Two things you should think about before you buy a new phone., One thing you must do in your English class that you find very difficult., Two things you should do before visiting a new country., One thing a teacher must do before a class., Three things you should think about when you invite friends for dinner at home., Two things you shouldn't do if you have the flu., Three things a student should do to improve their English., One thing you should do if you have a headache., Two things you must do and one thing you must not do when you are going on a long car trip..

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