1. a: have they built the vertical farm yet? b: no. not yet. but by the end of this year, they (finish) it. 2. a: john will be tired when he arrives. b: i know he (drive) for 6 hours non-stop. 3. a: how long have you been with the company, kevin? b: by the end of this month i (work) here for 5 years. 4. a: sally' is doing well at work, isn’ t she? b: oh, yes! i' m sure that by next year she (receive) a promotion! here, i (wait) for an hour. 5. a: has ron sold his farm equipment yet? b: no, but he (sell) it by next week. 6. a: john will be tired when he arrives. b: i know he (drive) for 6 hours non-stop. очень надо класс​