Choose the correct option to complete the mini-dialogues. 1 A Dad's plane lands at eight o'clock. B It's 8. 30 now. His plane will be landing/will have landed. 2 A Hey, you're going to the Lake District this weekend, right? B Yes, by this time on Saturday, I will be sailing/will sail across Lake Windermere. 3 A By the time I'm fifty, they will be finding / will have found a cure for cancer. I'm sure. B I hope so. 4 A The show starts at 7 pm. Then I'm sorry, I can't come. I will be eating/ will eat dinner with my family at that time. A Mum, I'm going round to Matt's house. B What about your homework? A I will have done / will do it later. ​