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