45. The curator of the Museum was most _____ and let me actually examine the ancient manuscript.

　　A) favorable

　　B) gratifying

　　C) obliging

　　D) pleasing

　　46. There is pressure on the American government to _____ the number of immigrants permitted to settle in the US.

　　A) limit

　　B) refrain

　　C) confine

　　D) decrease

　　47. The word "must" is often used to indicate _____ while "might" refers to possibility.

　　A) capacity

　　B) probability

　　C) equality

　　D) ability

　　48. If you keep getting wrong numbers, your phone could be _____.

　　A) deceptive

　　B) defective

　　C) deficient

　　D) ineffective

　　49. We couldn't cut the string because the _____ of the knife was not sharp enough.

　　A) edge

　　B) side

　　C) border

　　D) front

　　50. In order to buy a house she had to obtain a _____ from the bank.

　　A) finance

　　B) capital

　　C) loan

　　D) debt