Подставьте Have to, Must or Can
1) You____be quite during the lesson.
2) You____wear shoes when you play beach volleyball.
3) You____wear crash helmet if you drive a motorbike.
4) You____cross the road when the traffic light is red.

"You must cross the road when the traffic light is red"- ты должен пересекать дорогу когда горит КРАСНЫЙ СВЕТ?

1) Yo must be quite during the lesson.2) You can wear shoes when you play beach volleyball.3)You have to wear crash helmet if you drive a motorbike.4) You  must  cross the road when the traffic light is red

1-have 2-have not to wear 3-must4 must not cross