41. Please be careful when you are drinking coffee in case you _D_ the new carpet.

　　A crash B pollute C spot D stain

　　pollute vt. 污染; spot n. 地點，場所，斑點，污點;v. 使…上有斑點、污點。

　　spotted dog 斑點狗。 stain v. 弄臟，玷污，染色。

　　59. The tomato juice left brown _A_ on the front of my jacket.

　　A spot B point C track D trace

　　42. I'd rather read than watch television; the programs seem _B_ all the time.

　　A to get worse B to be getting worse C to have got worse D getting worse

　　all the time 始終，一直。

　　43. Convenience foods which are already prepared for cooking are _D_ in grocery stores.

　　A ready B approachable C probable D available

　　convenience foods 方便食品; instant coffee/noodle 速容咖啡/速食面。

　　ready adj. 準備好的; approachable adj. 可接近的，平易近人的，親切的。

　　probable adj. 可能的; available adj. 可獲得的，可利用的，可支配的。

　　44. When I caught him _A_ I stopped buying things there and started dealing with another shop.

　　A cheating B cheat C to cheat D to be cheating

　　45. It is important that enough money _A_ to fund the project.

　　A be collected B must be collected C was collected D can be collected

　　46. Some old people don't like pop songs because they can't _C_ so much noise.

　　A resist B sustain C tolerate D undergo

　　tolerate vt. 忍受，容忍; undergo vt. 經歷，遭受。

　　48. _C_ one time, Manchester was the home of the most productive cotton mills in the world. [at one time 曾經，一度]

　　A On B By C At D Of

　　49. _A_ it or not, his discovery has created a stir in scientific circles.

　　A Believe B To believe C Believing D Believed

　　believe it or not 信不信由你。 creat a stir 引起轟動。

　　50. Mr. Morgan can be very sad _C_, though in public he is extremely cheerful.

　　A by himself B in person C in private D as individual

　　in public 在公眾面前; in private 私下單獨一個人的時候。