You look exhausted. You _______ go to bed early., must, should, might, can, may, can't, The lights are off and the car is gone. They _______ be at home., can, must, could, might, may, can't, We _______ wear a uniform at our school, it's optional., mustn't, shouldn't, don't have to, can't, have to, It's cloudy. It _______ rain later this afternoon., can, might, could, may, When I was five, I _______ swim, but I forgot how., could, might, must, couldn't, may, You _______ touch that wire! It's live and dangerous., may not, mustn't, couldn't, might not, can't, She's not answering her phone. She _______ be in a meeting., can, might, could, must, may, can't

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