Fill in the blanks with the modal verbs making necessary changes (you may have several variants).
1. He is in the garden. He ____ (read) a newspaper in the 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. They already (arrive). Look, the windows are open. 12. Where is John? — He___ (smoke) in the corridor. 13.I think for your children's sake you___ (do) it. 14. You___ (buy) this book for me. You know I wanted to have it. 15. A wife___ (obey) her husband, the Bible says. 16. You ___ (wait) for me, I knew the road well and found my way myself. 17. Judging by his papers on the writing table he___ (work) for several hours. 18.___it (be) Nick? He has changed a lot. 19. They___ (not know) of the plane's delay, otherwise they did not come at 2 o'clock.