57. After so long a walk, he was too _____ further.

A. tired for walk B. tire to walk

C. tiring to go D. tired to go

56. I want to know _____.

A. what the matter is B. what matter it is

C. what's the matter D. the matter is what

55. Don't have your children _____ for hours reading books in _____ dark a room.

A. sitting; so B. sit; such C. to be sitting; so D. to sit; such

54. Liaocheng, Shandong Pro. is a beautiful city, ____11 pay a three-day visit.

A. which B. where C. to which D. in which

53. The teachers are doing what they _____ their stuaits.

A. can to teach B. can teach

C. can teaching D. can to teaching

52. They were _____ inventors than pure scientists.

A. more B. less C. many D. worse

51. Old as the car is, _____ it works quite well.

A. but B. yet C. so D. however

50. The stubborn boy didn't _____ so that he missed the chance.

A. take advice B. follow an advice

C. give some advice D. ask for advice

49. You'd better make a mark _____ you have any questions.

A. at which B. at where C. the place D. where

48. I like ______ of the two stories, for this story is _____ than that one.

A. both; not more interesting B. neither; no more interesting

C. neither; not more interesting D. either; no more interesting