41. Television broadcasts are ________ to an area that is within sight of the sending station of its relay.

　　A. prohibited B. bounded C. limited D. restricted

　　42. Many things ________ impossible in the past are common today.

　　A. to consider B. being considered C. considering D. considered

　　43. My parents wanted _______ me.

　　A. make a scientist B. to make a scientist

　　C. make a scientist of D. to make a scientist of

　　44. He has a bad habit of ________ others when they are speaking.

　　A. involving B. investigating C. interfering D. interrupting

　　45. I like that new watch very much, but I can’t ________it.

　　A. cost B. offer C. pay D. spend

　　46. Tom arrived at the office and discovered that he had _______ his door key.

　　A. lent B. borrowed C. lost D. no

　　47. The beautiful scene left a deep _______ on the foreign visitors.

　　A. thought B. idea C. thinking D. impression

　　48. The room is a little small; _______ it is so hot.

　　A. in addition B. in addition to C. additional D. adding

　　49. I wish I ______ her address yesterday.

　　A. know B. had known C. would known D. knew

　　50. It ______ yesterday. The ground is still wet now.

　　A. must have rained B. was raining C. rained D. had rained