4.3 Complete the sentences with this is or that's or that. 1 A: I'm sorry I'm late. That's B: all right. 2 A: I can't come to the party tomorrow. B: Oh, a pity. Why not? 3 on the phone SUE: Hello, Jane. JANE: Oh, hi Sue. How are you? 4 A: You're lazy. B: not true! Sue. 5 A: Beth plays the piano very well. B: Does she? I didn't know 6 Mark meets Paul's sister, Helen. PAUL: Mark, my sister, Helen. MARK: Hi, Helen. 7 A: I'm sorry I was angry yesterday. B: OK. Forget it! 8 A: You're a friend of Tim's, aren't you? B: Yes, right. Tour 159​