1. Yesterday my brother HAD TO go to the doctor. 2. I CAN watch TV from morning till night. 3. Our secretary HAS TO work 9 to 6 p.m. 4. He COULDN'T find a job because there were few vacancies. 5. In three days she MUST visit her old uncle in the hospital. 6. Nobody CAN answer this difficult question. 7. Lisa CAN'T get to work by bus. She HAS TO drive. 8. Do they HAVE TO travel much around the country? – Yes, they are guides.
