Вставьте модальный глагол:
1. You ... smoke in public places - it`s against the rule.
a) could b) mustn`t c) can`t d) have not
2. I can do it myself. You ... worry.
a) needn`t b) can c) mustn`t d) have to
3. Americans ... slap on your back in a minute after the first meeting.
a) may b) can c) must d) should
4. I think the girls ... wear longer skirts t school.
a) can b) are allowed c) are able d) should
5. Excuse me, ... I ask a personal question?
a) can b) might c) should d) need