2. Each of the following notices contains at least one mistake. Find and correct them. 0. Class cancelled because teacher's illness. Class cancelled because of teacher's illness 1. Please turn on your mobile during the seminar. 2. Special offer: one for the price of two. 3. Please not smoking here. 4. It is an offence to travel with a ticket. 5. None cash in peak hours. 3. Write notices with the following messages. Seatbelts on at all times 0. Seatbelts must be worn at all times. 1. 2. 3. 4. 5. The photocopy machine is temporarily out of order. Pay attention to the gap when boarding the train. The flight was delayed due to bad weather. You're not allowed to turn left here. You cannot go out this way.
