1 Tick (v) the sentences that are correct. Sometimes both sentences are correct. 1 I'm going to be a doctor when I'm older. I'll be a doctor when I'm older. 2 The library won't be open tomorrow. The library isn't going to be open tomorrow. 3 She isn't going to go to the play this evening. She won't go to the play this evening. 4 I'm sure we're going to have a lovely holiday. I'm sure we'll have a lovely holiday. 5 I'm going to answer the door. I'll answer the door. 6 Don't worry - the exam won't be very difficult. Don't worry - the exam isn't going to be very difficult. 7 It's started to rain. We're going to get wet. It's started to rain. We'll get wet. 8 I'm busy now. I'll tell you all about the play tomorrow. I'm busy now. I'm going to tell you all about the play tomorrow I