1. who ( invent ) the bicycle ? 2. 'do you still have a headache ? ' 'no, ( it/go ). i'm all right now.'3. i was the last to leave the office. everybody else ( go ) home.4. what ( you/do ) last weekend ? ( you/go ) away ? 5. i like your car. how long ( you/have ) it ? 6. we decided not to go out because ( it/rain ) quite hard.7. jill is an experienced teacher. ( she/teach ) for 15 years.8. ( i/buy ) a new jacket last week but ( i/not/wear ) it yet.9. a few days ago ( i/see ) a man at a party whose face ( be ) very familiar. at first i couldn't think where ( i/see ) him before. then suddenly ( i/remember ) who ( it/be ).10. ( you/hear ) of agatha christie ? ( she/be ) a writer who ( die ) in 1976. ( she/write ) more than 70 detective novels. ( you/read ) any of them ? 11. a : what ( this word / mean ) ? b : i've no idea. ( i/never/see ) it before. look it up in the dictionary. 12. a : ( you/arrive ) at the theater in time for the play last night ? b : no, we were late. by the time we got there, ( it/already/begin ). 13. i went to john's room and ( knock ) on the door but there ( he/go ) out or ( he/not/want ) to see anyone.14. angela asked me how to use the photocopier. ( she/never/use ) it before, so ( she/not/know ) what to do.15. mary ( go ) for a swim after work yesterday. ( she/need ) some exercise because ( she/sit ) in an office all day in front of a computer.