Three things you _______ do before the exam, Two things you ___________ do after today's lesson, Three things you ______________ do when you are on holiday (in comparison to workdays), Two things you _______do and __________do when you are driving, Two things you __________-do in comparison to teenagehood, Three things you__________ if you want to improve your English, Two things you __________ consider when you invite someone for a dinner to your place, Two things you _________ do if you have the flu, Two things you ____________ do in a public place.

Modals of obligation

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