Question

Task 3 Choose the correct option 1. Usually at university you mustn't / don't have to go to classes all day. don't have. 2. You mustn't / shouldn't take your own food into a restaurant.​

Answer 1

1. Usually at university you don't have to go to classes all day. (как правило, но бывают исключения)
2. You mustn't take your own food into a restaurant. (строгое правило)
как-то так

Answer 2

1. Don’t have to
2. Mustn’t

Answer 3

The correct option is "You mustn't take your own food into a restaurant." This means it is not allowed or it is prohibited to bring your own food into a restaurant. On the other hand, "shouldn't" implies a recommendation or advice, but it is not a rule or regulation.