his class ___38___ him because he seemed so ___39___.

　　The mother ___40___ that she would, herself, have to get her sons to do better in school.

　　She___41___ them to go to the Detroit Public Library to read a ___42___ a week and do a report about it for her.

　　One day, in Ben's ___43___, the teacher held up a rock and asked if anyone knew it. Ben ___44___ up his hand and the teacher let him ___45____. "Why did Ben raise his hand?" they wondered. He ____46___ said anything; what could he possibly want to say？

　　Well, Ben not only ____47____ the rock; he said a lot about it. He named other rocks in its group and even knew ____48____ the teacher had found it. The teacher and the students were ____49____. Ben had learned all this from doing one of his book ____50____.

　　Ben later went on to the ____51____ of his class. When he finished high school, he went to Yale University ____52____ at last became one of the best doctors in the United States.

　　After Ben had grown up, he ____53____ something about his mother that he did not know as a____54____. She, herself, had never learned how to ____55____.

36. A. worried B. happy C. sorry D. mad

37. A. so B. because C. but D. though

37. A. thought highly of B. took pride in C. was strict with D. laughed at

39. A. clever B. hard C. quick D. slow

40. A. asked B. decided C. forgot D. heard

41. A. chose B. invited C. told D. wanted

42. A. notice B. message C. book D. question

43. A. class B. room C. office D. lab

44. A. looked B. gave C. took D. put

45. A. think B. leave C. speak D. stand

46. A. always B. even C. quickly D. never

47. A. found B. played C. knew D. threw