题目内容：

阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

My son Joey was born with clubfeet （畸形足）. The doctors told us that with treatment he would be able to walk normally    would never run very well. The first three years of his life were spent in    . By the time he was eight, you      he had a problem when you saw him walk.

The children in our neighborhood ran around as most children do during play, and Joey would    and play, too. We      told him that he probably wouldn’t be able to      as well as the other children. So he didn’t know.

In seventh grade he decided to go out for the cross country    . Every day he trained with the team. He worked harder and ran more than any of the others perhaps he     that the abilities that seemed to come      to so many others did not come naturally to him. Although the   team runs, only the top seven runners have the potential（可能性）to      points for the school. We didn’t tell him he probably would never      the team, so he didn’t know.

He      to run four to five miles a day, every day even the day he had a 103 degree fever. I was     , so I went to look for him after school. I found him running all alone. I asked him how he felt, “   ,” he said. He had two more miles to go. The sweat       his face and his eyes were glassy from his fever. Yet he      straight ahead and kept running. We never told him he couldn’t run four miles with a 103 degree fever. So he didn’t know.

Two weeks later, the name of the team runners were       . Joey was number six on the list. Joey had made the team. He was only in seventh--the other six team members were all     .We never told him he shouldn’t     to make the team. We never told him he couldn’t do it, so he didn’t know. He just did it.

1.A. however        B. or               C. but              D. though

2.A. Attention     B. Development      C. circulation      D. treatment

3.A. wouldn’t know B. didn’t imagine   C. shouldn’t find D. couldn’t identify

4.A. keep just out  B. jump right in    C. stand only behindD. sit still away

5.A. never        B. generally        C. often            D. sincerely

6.A. Live          B. jump              C. Run              D. hope

7.A. competition    B. class            C. Game            D. team

8.A. meant         B. sensed            C. Showed           D. noticed

9.A. eventually     B. suddenly         C. Safely           D. naturally

10.A. entire        B. same              C. other            D. all

11.A. score         B. collect           C. pay              D. catch

12.A. join          B. enter             C. Make           D. keep

13.A. Liked         B. Continued         C. Hoped         D. aimed

14.A. moved          B. Excited           C. encouraged    D. worried

15.A. Never mind    B. Okay              C. Don’t worry   D. Sorry

16.A. ran down       B. came from        C. dropped off   D. came down

17.A. Stood         B. Looked           C. faced         D. glanced

18.A. made           B. Called           C. Designed       D. checked

19.A. sixth-graders B. seventh-graders   C. eighth-graders D. fifth-graders

20.A. Expect         B. fight             C. Avoid         D. refuse