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1. I _________ (read) it in the newspaper yesterday. 2. all you have _________ (do) is to press the button. 3. But this meant _________ (admit) defeat. 4. I have spent all day _________ (look) for you. 5. We did not stop _________ (work) until it became dark. 6. They suggested that the work _________ (start) at once. 7. this problem is too difficult for him _________ (solve). 8. This room _________ (use) only on special occasions. 9. These verbs _________ (often, confuse). 10. All matter _________ (find) on earth exists in three states. 11. Let us _________ (know) if you are in need of anything. 12. They stopped _________ (listen), but there was no sound. 13. Wood is _________ (easy) to set on fire than most kinds of coal. 14. Three bridges _________ (build) across the river since 1996. 15. We will visit the factory if it _________ (be) fine tomorrow. 16. there was something about him than I _________ (not,like). 17. I found a number of men already _________ (work). 18. He said he _________ (have) to see me about something important. 19. He _________ (catch) her hand and held it tightly. 20. I have not seen him for ages. I wonder what he _________ (do) now. 21. His _________ (organize) ability is very great. 22. I'll go home rather than _________ (stay) here for another day. 23. Did you hear her _________ (sing) a wrong note? 24. He once heard the song _________ (sing) in German. 25. If he _________ (be) here, he would help us. 26. Three miles is _________ (far) than two. 27. Only small machine parts _________ (can, produce) in our factory before liberation. 28. The advertising can sometimes persuade us _________ (buy) things that are not necessary. 29. The electronic computer _________ (use) for control rockers and aero planes is an application of electrons. 30. He seemed _________ (disagree) with my decision. 参考答案： 1. read 2. to do 3. admitting 4. looking 5. working 6. be started 7. to solve 8. is used 9. are often confused 10. found 11. know 12. to listen 13. easier 14. have been built 15. is 16. did not like 17. working 18. had 19. caught 20. is doing 21. organizing 22. stay 23. sing 24. sung 25. were 26. farther 27. could be produced 28. to buy 29. used 30. to disagree |
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