Exercise 5.7. Put the verbs in brackets in the right form:
1. Peter and Ann (go) away five minutes ago. 2. I (write) the letter but I (not send) it. 3. He just (go) away. 4. She already (answer) the letter. 5. She (answer) it on Tuesday. 6. I just (tell) you the answer. 7. I (read) that book in my summer holidays. 8. The greengrocer (sell) now all his vegetables. 9. He (sell) all of them half an hour ago. 10. I (not see) him for three years. I (be) glad to see him again some time. 11. What you (do)? I (copy) the text from the text-book now. 12. He (go) to Moscow next week? 13. He (not smoke) for a month. He is trying to give it up. 14. When he (arrive)? — He (arrive) at 2:00. 15. You (switch off) the light before you left the house? 16. I (read) these books when I was at school. I (like) them very much. 17. I can't go out because I (not finish) my work. 18. I already (tell) you the answer yesterday. 19. What you (do) tomorrow in the morning? 20. I (not meet) him last week. 21. I usually (leave) home at seven and (get) here at twelve. 22. Here is your watch. I just (find) it. 23. You (not have) your breakfast yet?

1) have gone 2) have written, have not sent 3) has just gone 4) has already answered 5) has answered 6)have just told 7) have read 8) is selling 9) has sold 10) have not been seeing 11) are you doing? Am copying 12) wil go 13) has not been smoking 14) did he arrive? Arrived Или will he arrive, will arrive 15) had you switched off 16) was reading , liked 17) have nit finished 18) 19)will you do 20) Did not meet 21) leave, get 22) have just found 23 ) haven't you had