46. —1 was riding along the street and all of a sudden, a car cut in and knocked me down.
—You can never be____ careful in the street.
A. much B. very C. so D. too
答：D。cannot...too...表示“越……越好”。类似的结构还有 can never.., too, can-not...over, cannot...enougho
47. He is three years _________me.
A. seniorer to B. more senior
C. senior than D. senior to
答；D。某些以or结尾的形容词进行比较时，用to代替than。这些词一般没有比较级形式，如 inferior, superior, junior, senior, prior, 例句： He is superior to me in maths.他在数学方面胜过我．
48. John is _____ cleverest boy in the school.
A. far B. the far
C. by far D. by far the
答：D。最高级可被序数词以及 much, by far, nearly, almost, by no means, not quite, not really, nothing like 等同修饰。最高级还可用 much the/the very 修饰。如：
That’s much the / the very best wine. 那是最好的酒。
49. He works ________harder than before.
A. too B. fairly C. rather D. quite
答：C。 rather 可与比较级、-ed 形式的形容词或too连用。
50. As far as I am concerned, education is about learning and the more you learn, _______.
A. the more for life are you equipped
B. the more equipped for life you are
C. the more life you are equipped for
D. you are equipped the more for life
答：B。 the more ...., the more...句式常用倒装结构。