单选04

1. Mary's father approved of （ ） in the United States for another year in order to work toward her M.A.
2. （ ）_, the book presents an analysis of government programs.
3. Perhaps they （ ）_ by the time they see the doctor.
4. Tom is so worried about the test that he plans to study all night."Tell him he should quit （ ） and get some sleep.
5. Many craters on the earth's surface were probably formed by meteorites （ ）.
6. No sooner had Tom see Jim ______ he left the room.
7. For many children, nothing seems so exciting （ ） their first airplane ride.
8. I can't stand people （ ） and （ ） on the street.
9. I never expected the shoes （ ）_ so soon.
10. I （ ）_ a doctor now, if I had studied medical science in my youth.
11. I can't remember us ever （ ）, replied the stranger.
12. （ ）_ the dense greenery, the bitter wind would have blown the house to pieces.
13. （ ）_ a sound may be pleasing to the ear, the vibrations must be isochronous.
14. If it （ ） rain tomorrow, we'll have a picnic.
15. （ ） not for him, I should not hesitate to speak up.
16. The negroes couldn't stand （ ） like slaves.
17. They always give available seats to ______ comes first.
18. It is essential that no one （ ） to the room without paper identification.
19. （ ）_, we usually watched TV.
20. （ ）_ maintain a long struggle against the enemy.
21. In the United States, the majority of periodicals are concerned with business topics, and （ ）_ or more publications for every industry and occupational category.
22. Although the letter to Martin was known （ ）, he never received it.
23. After failing in all her endeavours, the girl had nothing to do except （ ）_ bitterly all day.
24. （ ）_ of a newspaper nor the number of pages in an edition has been standardized.
25. （ ）_ you fail at second time, don't get disappointed, but try again.
26. The waiter offered us a lift when he was leaving the office, but our work （ ）_, we declined the offer.
27. There is no requirement that an applicant （ ） experience for the job.
28. She said that she would rather not （ ）_ it right now.
29. When （ ）__, the metal expands, and if （ ） to cool, it will contract.
30. Did Anna say anything about me in her letter?"Only that she'd appreciate （ ） from you.
31. One question that （ ） us was: How far were the unknown objects flying?
32. My opinion is as good （ ）_.
33. I'd get it for you （ ） I could remember who last borrow it.
34. Such （ ）_ the case, I can't afford to support him.
35. The city council （ ） for some time now （ ） that street.
36. The more he tried to help her, （ ） she seemed to appreciate it.
37. A planetarium is a special kind of educational facility （ ） the teaching of astronomy.
38. What do you think of his proposal that improvements （ ） in the old type of vacuumcleaner?
39. （ ）_, we shall go on a picnic.
40. All of the plants now raised on farms have been developed from plants （ ） wild.
41. Tired of the noise, （ ）.
42. The examiner made us （ ） our identification in order to be admitted to the test center.
43. Advertising is distinguished from other forms of communication （ ） the advertiser pays for the message to be delivered.
44. Elasticity refers to an object's ability to return to its original shape after （ ） by externalpressure.
45. Whoever inspected this radio should have put （ ） identification number on the box.
46. I wonder how many years ago （ ）_.
47. Greater efforts to increase wheat production must be made if bread shortages （ ）__avoided.
48. You （ ）__ all the trouble had you known he was not there.
49. （ ） fairly recently （ ） this problem was solved, at least partically.
50. （ ）_, our next step is to determine how to carry it out.
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