12. Somebody (use) my computer at the moment.13

12. Somebody (use) my computer at the moment.13. They (ask) me some questions at the yesterday's interview.14. She told me that you (be) ill.15. It costs (many, much) to repair a car.16. I know (nothing, anything) about Economics.17. As soon as I (hear) the results, I'll let you know.18. Where is Stella? — She (play) tennis in the park.19. Cats (not, like) water.20. I didn't understand what she (mean) at first.