II. Choose the right modal verbs: 1. You must/ have to/ should be careful with this weapon.
2. We must/ have to/ should help our friends with their school examination.
3. You shouldn`t/ mustn`t/ don`t have to smoke here. It`s prohibited.
4. What do you think should/ do I have to/ must read this book? I have found it in a book store.
5. You mustn`t/ shouldn`t/ don`t have to talk like this to your parents!
ответ: 1. should 2. should 3. mustn't 4. have to 5. mustn't
Объяснение: