41. These proposals sought to place greater restrictions on the use and copying of digital information than _____ in traditional media.
A) exist
B) exists
C) existing
D) to exist

42. One expert remarks that a computer with _____ many tubes as the brain has neurons would require the Empire State Building to contain it.
A) so
B) as
C) more
D) much

43. The major function of a school education is not so much to teach you things _____ to teach you the art of learning from which you can get benefit in your whole life.
A) than
B) as
C) and
D) more

44. I worked so late in the office last night that I hardly had time _____ the last bus.
A) to have caught
B) to catch
C) catching
D) having caught

45. As it turned out to be a small house party, we _____ so formally.
A) needn’t dress up
B) did not need have dressed up
C) did no need dress up
D) needn’t have dressed up

41.A 42.B 43.B 44.B 45.D