Chose the correct option to complete the dialogue.

Laura: Grandad, could you wear whatever you liked to school when you were a child?

Grandad: No, we (1) --- . We (2) --- to wear long grey trousers and a white shirt. We (3) --- have to wear a tie though.
Laura: Were there a lot of rules at your school?

Grandad: Yes, there were. We (4) --- stand up when the teacher walked in and we (5) --- talk in class.