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

47. Our English teacher _____ by the teachers and students.

A. is good thought of B. is thought high of C. is sung highly praise for D. is spoken highly of

46. Only a fool enjoys _____ in public.

A. making fun of B. to make fun of C. being made fan of D. to be made fan of