Correct answer: with
21. This is no reason to throw out what is achievable (1) these different means. Correct answer: by
22. Is it true that only business managers are focused on increasing their personal wealth (1) any available means? Correct answer: by
23. The factory has been emitting black smoke (1) its chimneys, which is against the law. Correct answer: from
24. Hundreds of different types of hydrocarbons (碳氢化合物) are emitted (1) vehicle exhausts (排汽管).
Correct answer: from
25. Until the 6th of April we are obliged by law to deduct taxes (1) the accounts of individuals regardless of whether they are taxpayers or not. Correct answer: from
26. In special cases, a husband can deduct the travel expenses of his wife who accompanies him on a business trip (1) his income tax. Correct answer: from
27. He was about to remove the handgun (1) his belt when he heard the sound of the front door being unlocked from inside the house. Correct answer: from
28. The bill proposed to remove the right of appeal (1), among others, all visitors and many overseas students.
Correct answer: from
29. The storm was so strong that even the sailors had to hold (1) the ropes. Correct answer: to
30. These are very poor fasteners holding the pipes (1) the wall, and they will soon break. Correct answer: to
31. These creatures are so tiny that they are hardly visible (1) the naked eye. Correct answer: to
32. The test has the potential to be much more visible (1) students and have a greater impact on attitudes of parents and teachers. Correct answer: to
33. The American president praised Turkey (1) its courage.
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Correct answer: for
34. Many others praised him (1) taking a strong stand on the issue of gun control. Correct answer: for
35. If you substitute the writer's work (1) your own, you could be in serious trouble. Correct answer: for
36. Another actor has been substituted (1) the famous player, who was refused permission to work in this country. Correct answer: for
37. He told (1) having seen a strange creature in the lake. Correct answer: of
38. Residents of the flats told (1) their shock when the bomb exploded. Correct answer: of
39. They're tearing (1) these old houses to build a new office block. Correct answer: down
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