we .......... follow the rules, must, mustn't, shouldn't, don't need to, She ........to study hard for the exam., have, has, must, mustn't, You ........ eat healthy food, mustn't, don't have to, should, shouldn't, You .......bring your jacket. It's a sunny day., have to, don't have to, should, should have, He ......... swim when he was five., can, could, can't, shouldn't

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