Упражнение. Заполните пропуски модальными глаголами can,may или must.

1….I come in? 2. You … not smoke here. 3. … I take your book? - I am afraid not: I need it. 4. He … not speak English yet. 5. They … not go to the park today because they are busy. 6. I have very little time: I ….go. 7. You …. read this text: it is easy enough. 8. You …. work systematically if you want to know English well. 9. I …translate the text without a dictionary. 10. If you have done your homework, you … go for a walk.