题目内容：

完形填空。阅读下面短文，从31-50各题所给的四个选项A、B、C、D四个选项中，选出最佳选项。

My son, Sam, struggled through elementary school. But his sixth-grade teacher took the time to ____ Sam’s strengths and inspired him to be a better student.

On Valentine’s Day, my eleven-year-old son Sam ____ me to allow him to buy his teacher a big red heart filled with delectable(美味的) chocolates. We ____, and he bought her a small but respectably sized heart. On his small ____, $4.99 was a huge investment, and I was touched by his____.

Sam has not always loved teachers. Once he publicly admitted that he ____ school, and he was ____ with some class projects.

Last year, Sam’s most ____ achievement was having the longest “missing assignment” list in the entire fifth grade. He ____ all year to keep his head above the academic sea. Many nights Sam sank into tears of ____ while working his way through another pile of homework.

I must admit I was ____ when I first met Mrs. Hogan. She was a ____ teacher. She seemed so young and sweet and inexperienced. How was this new teacher going to ____ a boy who had learned to hate school?

As I observed this teacher’s ____ with my son at the end of each day, I realized that Sam’s inattentiveness and disorganization were not the ____ things that Mrs. Hogan noticed about him. She recognized Sam as a knowledgeable, capable student who loved to read. He, in return, rose to her expectations ____.

Sam began to do his homework without numerous ____ or a major search through his crowded backpack. He brought home less and less classwork. He ____ six A’s on his second-quarter report card.

I still don’t know how much of this ____is due to the magic of Mrs. Hogan. I do know that my son loves his sixth–grade teacher, and I think there is a magic in relationships that can ____ children when nothing else will.

1.A. motive        B. encourage    C. push         D. change

2.A. advised         B. promised      C. begged       D. allowed

3.A. compromised     B. agreed        C. refused     D. argued

4.A. size            B. budget       C. plan         D. savings

5.A. instruction    B. cleverness    C. generosity   D. bravery

6.A. liked          B. hated         C. attended    D. finished

7.A. bored           B. excited      C. desperated   D. worried

8.A. enjoyable       B. favorable    C. reasonable   D. memorable

9.A. struggled      B. succeeded     C. failed       D. continued

10.A. regret         B. anger         C. frustration D. pleasure

11.A. interested     B. concerned     C. moved        D. amazed

12.A. loving         B. caring        C. domineering D. beginning

13.A. win over      B. pick out      C. lift up      D. take in

14.A. descriptions   B. instructions C. interactions D. discussions

15.A. trivial       B. vital         C. peculiar     D. primary

16.A. gradually      B. rarely        C. occasionally D. generally

17.A. occasions      B. reminders    C. rules        D. suggestions

18.A. lost           B. accepted      C. earned       D. left

19.A. independence  B. meaning       C. recovery    D. miracle

20.A. await          B. cure]        C. control     D. inspire