1. Helen had to shout _ above the sound of the music.A. making herself hear B. to make herself hearC. making herself heard D. to make herself heard2. Reading is an experience quite different from watching TV; there are pictures _ in your mind instead of before your eyes.A. to form B. form C. forming D. having formed3. The man insisted _ a taxi for me even though I told him I lived nearby.A. find B. to find C. on finding D. in finding4. The old man, _ abroad for twenty years, is on the way back to his motherland. A. to work B. working C. to have worked D. having worked5. You were silly not _ your car. A. to lock B. to have locked C. locking D. having locked6. Dont leave the water _ while you brush your teeth. A. run B. running C. being run D. to run7. When flint _ to the market, these products enjoyed great success. A. introducing B. introduced C. introduce D. being introduced8. “We cant go out in this weather,” said Bob, _ out of the window.A. looking B. to look C. looked D. having looked9. My advisor encouraged _ a summer course to improve my writing skills. A. for me taking B. me taking C. for me to take D. me to take 10. _ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.A. To wait B. Have waited C. Having waited D. To have waited 11. Linda worked for the Minnesota Manufacturing and Mining Company, _ as 3M.A. knowing B. known C. being known D. to be known12. Sarah, hurry up. Im afraid you cant have time to _ before the party. A. get changed B. get change C. get changing D. get to change13. _ by the beauty of nature, the girl from London decided to stay another two days off the farm. A. Attracting B. Attracted C. To be attracted D. Having attracted14. I dont know whether you happen _ , but Im going to study in the U. S. A. this September. A. to be heard B. to be hearing C. to hear D. to have heard15. The news reporters hurried to the airport, only _ the film stars had left. A. to tell B. to be told C. telling D. told 16. Having been ill in bed for nearly a month, he had a hard time _ the exam.A. pass B. to pass C. passed D. passing17. _ with the size of the whole earth, the biggest ocean doesnt seem big at all.A. Compare B. When comparing C. Comparing D. When compared18. _ the programme,they have to stay there for another two weeksA. Not completing B. Not completed C. Not having completed D. Having not completed19. If you are planning to spend your money having fun this week, better _ ityouve got some big bills coming. A. forget B. forgot C. forgetting D. to forget20. According to a recent U. S. survey, children spend up to 25 hours a week _ TV.A. to watch B. to watching C. watching D. watch21. The flu is believed _ by viruses that like to reproduce in the cells inside the human nose and throat. A. cause B. being caused C. to be caused D. to have caused22. The flowers _ sweet in the botanic garden attract the visitors to the beauty of nature. A. to smell B. smelling C. smelt D. to be smelt23. The disc, digitally _ in the studio, sounded fantastic at the party that night. A. recorded B. recording C. to be recorded D. having recorded24. Having been attacked by terrorists, _ . A. doctors came to their rescue B. the tall building collapsedC. an emergency measure was taken D. warnings were given to tourists 25. Robert is said _ abroad, but I dont know what country he studied in. A. to have studied B. to study C. to be studying D. to have been studying26. The managers discussed the plan that they would like to see _ the next year.A. carried out B. carrying out C. carry out D. to carry out27. Ive worked with child before, so I know what _ in my new jo A. expected B. to expect C. to be expecting D. expect28. _ such heavy pollution already, it may now be too late to clean up the river. A. Having suffered B. Suffering C. To suffer D. Suffered29. Having a trip abroad is certainly good for the old couple, but it remains _ whether they will enjoy it. A. to see B. to be seen C. seeing D. seen30. The research is so designed that once _ nothing can be done to change it.A. begins B. having begun