Раскрывая скобки, нужно поставить глаголы в present perfect или past simple 17. he (to be) ill last week, but how he (to recover). 18. if everybody (to read) this new novel, let's discuss it. 19. you (to book) tickets? -yes, i (to book) them several days ago. 20. i can hardly recognize you. i (not to see) you since you (to leave) for moscow. and you (to change) so much. 21. you (to read) all the books on this shelf? 22. i (not to see) my cousin since last year. 23. why you (to put) these things in the wrong place? 24. why you (to leave) the door open? you will catch cold sitting in the draught. 25. "we (not to meet) for such a long time! " said my friend. "yes, indeed," i answered, "and we both (to grow)."

17. He was ill last week, but now he has recovered.
18. If everybody has read this new novel, let's discuss it.
19. Have you booked tickets?-Yes, I booked them several days ago.
20. I can hardly recognize you. I haven't seen you since you left for Moscow. And you have changed so much.
21. Have you read all the books on this shelf?
22. I haven't seen my cousin since last year.
23. Why have you put these things in the wrong place?
24. Why have you left the door open? You will catch cold sitting in the draught.
25. "We haven't met for such a long time!" said my friend. "Yes, indeed," I answered, "and we both have grown."