Fill in the blaks with the modal verbs making necessary changes (you may have several varianta),
1. He is in the garden. He (read) a newspaper in summerhouse. 2. Her son (get) into trouble yesterday. I've seen him today and he looked quite happy and gay. 3. I don't remember him well but it seems to me he (be) in charge of the Finance department last year. 4. He already (get) used to driving on the left. He has been living in London for a year. 5. He (receive) an emergency call, that's why he is out. 6. They ( not take up) this problem. It has been already solved. 7.Where is Mr. Black? - He (receive) a foreign delegation. They (come) at two o'clock. 8. Why haven't the Smiths arrived yet?- They (lose) their way. They don't know the road well. 9. You ( introduce) me to your wife long ago. 10. He (buy) a new car. He is deeply in debt., 11. He (buy) a new car, but I am not sure. 12. They already (arrive) Look, the windows are open. 13. Where is John?- He (smoke) in the corridor. 14. I think for your children's sake you (do) it. 15. You ( buy) this book for me. 16. A wife (obey) her husband, the Bible says. 17. You (wait) for me, I knew the road well and found my way myself. 18. Judging by his papers on the writing table he (work) for several hours. 19. it (be) Nick? He has changed a lot. 20. They (not know) of the plane's delay, otherwise they did not come at 2 o'clock.