20 . вставьте must,mustn’t или needn’t с указанными глаголами. paint – buy – forget – phone – be – touch – go – finish 1.i alan. i haven't spoken to him for a long time. 2.you the oven. it's very hot. 3. your work now. you can do it tomorrow. 4. to post the letters. they're very important. 5.we the living room. the walls are very dirty. 6.you shopping today. we've got a lot of food. 7. late for work. the boss will be angry. 8.you any new clothes. you've got enough.

1. -
2. You mustn't touch the oven.  It's very hot.
3. You needn't finish your work now. You can do it tomorrow.
4. We mustn't forget to post the letters. They're very important.
5. We must paint the living room. The walls are very dirty.
6. You needn't go shoping today. We've got a lot of food.
7. Tom mustn't be late for work. The boss will be angry.
8. You needn't buy any new clothes. You've got enough.