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1. You (should | have to} come in time to school in the morning.
2. You look very tired. You (have to| should) have a short holiday.
3. Little children ( have to| should) wash their hands before they eat.
4. You (must| should) take these pills twice a day after meals.
5. We { must| have to) help to lay the table Be quick!

Упражнение 2.Вставить модальные глаголы:
Should shouldn’t must needn’t have to
1. Shall I buy some butter?- No, you … /We’ve got some.
2. What … I do to pass the chemistry exam?- You … work hard and spend more time doing your homework.
3. Excuse me, I … get to Trafalgar Square. … I take a bus?- Yes. You … take a bus №62