Fll in gaps. Use must or have to in the positive or negative form. 1.If you want to make progress, you________work regularly 2.You_________open this window. It may fall. 2.I__________eat more vegetables and fruit. They are good for me
1.If you want to make progress,you must eork regularly. 2.You musn't open this window.It may fall. 3.I have to eat more vegetables and fruit.They are good for me. you mustn't iterrupt your teacher. my grandmother hasn't work.
4. You _________ pay for this book.
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you ________ interrupt your teacher
my grandmother_________________ work. Her husband had earned enough money.