2 Fill in: can, can't, may, might, should. 1 You ........................ enter the gym. It isn't allowed. 2 When you finish, you ... go out. You ..... .... always warm up 3 before you exercise. It's my advice. 4 They cancel the race because it's raining, but we don't know yet. 5 ... ......... I have another slice of cake?​