Directions: Replace the underlined words in the following sentences with expressions or phrases using the key word(s) supplied in the brackets. Please take care to use the right form and keep the original meaning.

21. We still [develop far more slowly than] many of our competitors in using modern technology. (lag behind)
Replacement:


22. The key is [fixed and impossible to move in] the lock. (stick)
Replacement:


23. The company is struggling to [move and change at the same speed as] changes in the market. (keep pace with)
Replacement:


24. The professor promises that she will have office space and a computer [available for you to use] for the whole year. (at one's disposal)
Replacement:


25. He has the [right to enter] the restricted area. (access)
Replacement:


26. She always [has connection] with the outside world. (contact)
Replacement:


27. They [suddenly changed] from rags to riches. (leap)
Replacement:


28. I didn't know what I [should do], so I just waited for Mrs. Garcia to come back. (suppose)
Replacement:


30. Did the reporter actually [have the right to] access the personal and financial records? (entitle)
Replacement 1:
Replacement 2:


31. Many of the scientist's findings in the tests simply cannot be [explained]. (account)
Replacement:


32. Cracked windows and peeling (剥落) paint work [indicated] years of neglect. (witness)
Replacement:


33. Her latest speech shows that she [disagrees] with her advisors. (tune)
Replacement:


34. He [obtained $15000 from them by threats] in desperation. (bleed)
Replacement:


35. The little boy cried so much that his mother finally [gave in to him] and bought some candy. (yield)
Replacement:


36. How long will it take to [finish] the customs formalities? (go)
Replacement:


37. Any system of government by free election naturally [is subject to] misuse. (lend)
Replacement:


38. They were of the generation that had [experienced] the Depression and a world war. (go)
Replacement:


39. A few shots of this drug cleared up the disease [permanently]. (good)
Replacement:


40. When they started to [become poorer and lose their former social status], they moved to a flat in London. (come down)
Replacement:


41. They say they expect the meeting to [greatly influence] the future of the country. (impact)
Replacement:

由于不知道怎么加下划线,所以用中括号代替了,那位高手帮帮忙,给个答案.

21. lag behind for
22. stuck in
23. keep pace with
24. at her disposal
25. access to
26. contacts
27. leaped
28. supposed to do
29. entitled to
31. accounted
32. bear witness to
33. tunes with
34. is bleet $15000 from them by threats
35. is yielded to him
36. go to
37. is lent to
38. went through
39. for good
40. come down
41. impact