题目内容：

Like many families in Sanyati, a small countryside town in western Zimbabwe（津巴布韦）, Johnson’s family does not have a television. One day after school, Johnson arrived home and ______ something unusual in the house. At first, he ______ his father had bought a television, but when his mother said it was a computer, he was ______.

It’s not that Johnson didn’t like the ______; he just didn’t know how to use it. Johnson and his father didn’t even know how to turn it on. "Nobody in our neighborhood knew how to ______ a computer," Johnson said.

But things _____ when Nikon, a young family friend, came from a big city to visit. Nikon knew all about computers.

“At first, I was always ______ the wrong button,” Johnson recalled. “But I kept on going ______I was eager to learn.” After three weeks, Johnson had mastered some computer _______, such as opening and closing files.

Johnson kept on practicing after Nikon ______. His speed slowly improved. Soon, Johnson felt ______ with the computer. Meanwhile, Johnson’s friends _____ what had happened to him. He no longer played soccer after school like he  used to. Johnson’s friends ______. Were Johnson’s parents _____him from playing with them? Did he have new friends?

One day, three of Johnson’s friends surprised him at home. They couldn’t ______ what they saw — a computer, and Johnson was operating it. After that, Johnson began to teach them how to use the computer.

It wasn’t long before the neighborhood kids wanted to learn, too! The computer began to experience _____ because the kids were pressing too many buttons. So he ______a plan. He began charging for lessons. But this did not stop more kids from coming. Those whose parents did not have money _______with chickens or goats.

Johnson has taught computer skills to 30 students from his local school. With the money earned from ______, Johnson has bought a television and a radio for his _______. And he plans to buy a new computer and keep on teaching.

1.A. realized    B. noticed    C. received    D. achieved

2.A. felt    B. found    C. thought    D. decided

3.A. disappointed    B. interested    C. satisfied    D. excited

4.A. television    B. radio    C. telephone    D. computer

5.A. operate    B. repair    C. manage    D. control

6.A. finished    B. ended    C. changed    D. corrected

7.A. editing    B. pressing    C. pulling    D. putting

8.A. but    B. and    C. because    D. so

9.A. systems    B. files    C. languages    D. basics

10.A. left    B. returned    C. arrived    D. disappeared

11.A. confused    B. comfortable    C. valuable    D. considerable

12.A. remembered    B. discussed    C. suspected    D. wondered

13.A. screamed    B. hoped    C. worried    D. laughed

14.A. preventing    B. escaping    C. protecting    D. separating

15.A. understand    B. admit    C. prove    D. believe

16.A. challenges    B. problems    C. tasks    D. chances

17.A. kept up with    B. put up with    C. came up with    D. caught up with

18.A. paid    B. greeted    C. filled    D. played

19.A. working    B. begging    C. teaching    D. competing

20.A. friend    B. neighbor    C. student    D. family