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 在這里表示一種結(jié)果，翻譯成“那么(和)”。只有兩種情況下and才會(huì)這樣翻譯：

　　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. 定購，訂單; purchase n. 購買。

　　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

　　如果一個(gè)句子的時(shí)間狀語是由by引導(dǎo)的，則時(shí)態(tài)要選擇完成時(shí)態(tài)。

　　將來的行為在將來的某個(gè)時(shí)間之前就已完成用將來完成時(shí)。

　　solution to a problem 一個(gè)問題的解決方案。

　　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 承擔(dān); take on responsibility 承擔(dān)責(zé)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，表要求時(shí)后面加句子要用虛擬語氣， (should) + 動(dòng)詞原形。

　　其他同樣用法的詞還有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 一點(diǎn)也不奇怪。 vary vi. 變化。

　　vary from … to … 從一種形式變化到另一種形式。vary between … and … 在兩者之間進(jìn)行變化。

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. 個(gè)人，個(gè)體; individualism n. 個(gè)人主義。

　　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