A having seated   B seating   C seated   D having been seated
注意：seat是及物动词，及物动词用主动形式，后面要直接加宾语。
Be seated please. 请坐。 英语中只有及物动词才有被动语态。

47. This kind of glasses manufactured by experienced craftsmen _B_ comfortably.
A is worn   B wears   C wearing   D are worn
当wear表穿戴时，而句子的主语是被穿戴的东西时，wear是不及物动词，没有被动语态。

65. The coming of the railways in the 1830s _A_ our society and economic life.
A transformed   B transported   C transferred   D transmitted
字根trans在四级中着重考的含义是“从一个地方到另一个地方”。
transform 改革，变革，改变； transport 运输； transfer 转移，移动；
transmit 传送，播送；疾病的传染，传播； transplant 移植。

48. Some diseases are _D_ by certain water animals.
A transplanted   B transformed   C transported   D transmitted

49. Wouldn't you rather your child _B_ to bed early?
A go   B went   C would go   D goes
would rather的两种用法：1 would rather + 动词原形；
2 would rather + 句子（句子谓语动词用一般过去时体现虚拟语气）。

50. Although Anne is happy with her success she wonders _B_ will happen to her private life. [wonder后面要加疑问词]
A that   B what   C it   D this

51. The words of his old teacher left a _C_ impression on his mind. He is still influenced by them. [lasting adj. 持久的，永久的； liberal adj. 开明的，心胸开阔的]
A long   B lively   C lasting   D liberal

52. Mike's uncle insists _D_ in this hotel.
A staying not   B not to stay   C that he would not stay   D that he not stay
insist的两种用法：1 insist on … 坚持，坚决要求；
2 insist + that引导的从句（从句谓语动词为[should] + 动词原形）

53. We agree to accept _D_ they thought was the best tourist guide.
A whatever   B whomever   C whichever   D whoever
they thought是插入语，可以不看； tourist guide 导游。

56. Although many people view conflict as bad, conflict is sometimes useful _C_ it forces people to test relative merits of their attitudes and behaviors.
A by which   B to which   C in that   D so that
句子的意思是：如果冲突以后能回家反省一下自己是好事情。
in that 因为； conflict n. 冲突； relative merits 相比较而言的优点； so that 以至于。

57. He is _A_ about his chances of winning a gold medal in the Olympics next year.
A optimistic   B optional   C outstanding   D obvious
optimistic adj. 乐观的； pessimistic adj. 悲观的； be optimistic about 对…持乐观态度。
optional adj. 随意的，任选的，非强制性的； optional courses 选修课；
outstanding adj. 卓越的，杰出的； obvious adj. 明显的。

58. Sometimes I wish I _B_ in a different time and a different place.
A be living   B were living   C would live   D would have lived
wish后加的句子一定要用虚拟语气。
与现在事实相反，wish后的句子经常用一般过去时来体现虚拟语气。

59. The director was critical _C_ the way we were doing the work.
A at   B in   C of   D with
be critical of 对...爱挑剔的，批评。

60. In a sudden _B_ of anger, the man tore up everything within reach.
A attack   B burst   C split   D blast
within reach 够得着； out of reach 够不着； burst 爆发，迸发；
burst可以与很多词语搭配表示突然发作：
1 能与人的情绪（喜、怒、哀、乐）搭配； 2 能与掌声、笑声搭配。

61. _D_ she realized it was too late to go home.
A No sooner it grew dark than   B Hardly did it grow dark that
C Scarcely had it grown dark than   D It was not until dark that
no sooner在句首时句子要用部分倒装；hardly要与when搭配；scarcely也要与when搭配。

62. In Britain people _C_ four million tons of potatoes every year.
A swallow   B dispose   C consume   D exhaust
swallow 吞，咽； dispose 去掉，处理，安排； consume 消费，消耗； consumer 消费者；