题目内容：

完形填空

阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项：

There was a woman in Detroit, who has two sons. She was ________  about them, especially the younger one, Ben, ________ he was not doing well in school. Boys in his class ________ him because he seemed so ________.

The mother ________ that she would, herself, have to get her sons to do better in school. She________ them to go to the Detroit Public Library to read a ________ a week and do a report about it for her.

One day, in Ben’s ________ , the teacher held up a rock and asked if anyone knew it. Ben________up his hand and the teacher let him ________. “Why did Ben raise his hand?” they wondered. He ________ said anything; what could he possibly want to say？

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

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

After Ben had grown up, he ________ something about his mother that he did not

Know as a________. She, herself, had never learned how to________.

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

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

3.A．thought highly of B．took pride in C．was strict with   D．made fun of

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

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

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

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

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

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

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

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

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

13.A．whether          B．when           C．where             D．why

14.A．afraid           B．surprised      C．worried           D．unhappy

15.A．pictures       B．exercises      C．shops             D．reports

16.A．top              B．end            C．back              D．side

17.A．so               B．and            C．or                D．however

18.A．learnt           B．remembered     C．understood        D．guessed

19.A．child          B．doctor        C．student           D．teacher

20.A．work           B．read          C．teach            D．show