27. The （one-time， once） bus driver is now a famous pop singer.
Once： on one occasion only
28. The film is （based， established） on a novel by Lu Xun.
Be based on： to use something as the thing from which something else is developed
establish： to start a company， organization， system， etc that is intended to exist or continue for a long time（不与搭配on）
29. Spoiled children will not manage to live against （difficulty， adversity）。
Difficulty： if you have difficulty doing something， it is difficult for you to do（不可数解释）
Adversity： a situation in which you have a lot of problems that seem to be caused by bad luck（逆境）
30. He got the job by （false， fraudulent） means； he said he had ten years of working experience.
False： not real， but intended to seem real and deceive people
Fraudulent： intended to deceive people in an illegal way， in order to gain money， power etc
31. Mental problems of all ages are not totally （untreatable， incurable）。
Untreatable： a treatable illness or injury can‘t be helped with drugs or an operation（不可治疗的）
Incurable： an illness that is curable can be cured. （无可救要的）
32. The students are advised to （conserve， preserve） water and electricity.
Conserve： to use as little water， energy etc as possible so that it is not wasted（这个意思是独有的）
Preserve： to protect something and prevent it from changing or being damaged（conserve也有这个意思）
33. She took the skirt out of the suitcase and found it terribly （pleated， wrinkled）。
Pleated： a pleated skirt， dress etc has a lot of flat narrow folds
Wrinkled： skin or cloth that is wrinkled has small lines or folds in it
34. The owner of the house came back and discovered that his house had been broken into during his absence. He （snooped around， checked） to see if anything valuable had been stolen.
snoop around： to try to find out about someone's private affairs by secretly looking in their house， examining their possessions etc（调查， 窥探）
Check： to do something in order to find out whether something really is correct， true， or in good condition
35. Since their father lost his job， their mother was hard up and always bought them （shabby， cheap） clothes.
Shabby： shabby clothes， places， or objects are untidy and in bad condition because they have been used for a long time
Cheap： not at all expensive， or lower in price than you expected
36. He needed the money， so he said he didn‘t （care for， mind） the long working hours as long as he was well paid.
Care for： to look after someone who is not able to look after themselves； to do things that keep something in good condition
Mind： [usually in questions and negatives] to feel annoyed or upset about something
37. He lost interests in the debate， merely sitting there totally （unconcerned， unbent）。
Unconcerned： not worried about something because you think it does not affect you
Unbend： to relax and start behaving in a less formal way
38. While you are in the bookstore， please （keep an eye for， look at） dictionary that I have been looking for.
Keep an eye for： to watch carefully so that you will notice when someone or something appears
look at： to turn your eyes towards something， so that you can see it（其中的一个意思）
39. The elderly couple always avoids parties and gatherings. They are the kind of people who （keep from， keep to） themselves.
keep from： to prevent someone from doing something or prevent something from happening to prevent someone from knowing something， by deliberately not telling them about it （隐瞒，阻止）
keep to oneself： to live a very quiet private life and not do many things that involve other people （不交际）
40. He knew there was （no use， no need） going back to the market place to look for the pocket book， but he went anyway to make her feel better.
Be no use doing： used to tell someone not to do something because it will have no effect
There‘s no need for sb.to do sth： used to say that someone does not have to do something
41. She （held back， held forth） her criticism on the plan because she needed more time to think about it.
hold back： to make someone or something stop moving forward（阻止，抑制）
hold forth （on）： to give your opinion on a subject， especially for a long time（滔滔不绝，大谈特谈）
42. Marry had an uneasy feeling that something terrible was going to happen. Was she becoming （ignorant， superstitious）？
Ignorant： not knowing facts or information that you ought to know
Superstitious： influenced by superstitions
Superstition： a belief that some objects or actions are lucky or unlucky， or that they cause events to happen， based on old ideas of magic