41. Jean did not have time to go to the concert last night because she was busy _C_ for her examination.

　　A to prepare B to be prepared C preparing D being prepared

　　be busy doing sth. 忙于做某事

　　42. Five minutes earlier， _A_ we could have caught the last train.

　　A and B but C or D an order

　　and 在这里表示一种结果，翻译成“那么(和)”。只有两种情况下and才会这样翻译：

　　1. 省略句 + and + 句子; 2. 祈使句 + and + 句子。

　　47. Turn on the television or open a magazine and you _B_ advertisements showing happy balanced families.

　　A are often seeing B will often see C often see D have often seen

　　43. I cannot give you _D_ for the type of car you sell because there is no demand for it in the market.

　　A an expense B a charge C a purchase D an order

　　order n. 定购，订单; purchase n. 购买。

　　45. By the end of this month， we surely _C_ a satisfactory solution to the problem.

　　A have found B will be finding C will have found D are finding

　　如果一个句子的时间状语是由by引导的，则时态要选择完成时态。

　　将来的行为在将来的某个时间之前就已完成用将来完成时。

　　solution to a problem 一个问题的解决方案。

　　46. Mr. Wilson said that he did not want to _A_ any further responsibilities.

　　A take on B get on C put up D look up

　　take on 承担; take on responsibility 承担责任。

　　47. Having no money but _B_ to know， he simply said he would go without dinner.

　　A not to want anyone B not wanting anyone C wanted no one D to want no one

　　dinner n. 正餐(多指晚餐); supper n. 夜宵，晚餐; breakfast n. 早餐; lunch n. 午餐;

　　brunch n. 早午餐。[but前后的句子要平衡]

　　48. We desire that the tour leader _A_ us immediately of any change in plans.

　　A inform B informs C informed D has informed

　　desire v. 要求，表要求时后面加句子要用虚拟语气， (should) + 动词原形。

　　其他同样用法的词还有ask， demand， request， require.

　　49. Not _B_， the process of choosing names varies widely from culture to culture.

　　A obviously B surprisingly C particularly D normally

　　not surprisingly 一点也不奇怪。 vary vi. 变化。

　　vary from … to … 从一种形式变化到另一种形式。vary between … and … 在两者之间进行变化。

29. Features such as height， weight， and skin color _B_ from individual to individual and from face to face.

　　A change B vary C alter D convert

　　individual n. 个人，个体; individualism n. 个人主义。

　　44. The hope， goals， fears and desires _D_ widely between men and women， between the rich and the poor.

　　A alter B shift C transfer D vary