题目内容：

In the past, boredom was just part of life. You didn’t have a phone to ______ you in the car. You sat in the back seat and stared out of the window. But today, boredom is easy to ______. You can fill ______ time with apps, Xboxes and computers.

In fact, being bored can get you into real _______.

Boredom can lead to worry (Should I be doing something?). It can lead to bad ______ (I’ll ride my bike down the stairs --- what could go wrong?). People who are bored may ______ be more likely to abuse alcohol or drugs.

According to some experts, however, it turns out boredom can be ______ for you. Why? It has to do with the ______, which has two ways of paying attention.

The first way of paying attention is what helps you with what’s ______ around you. It helps you listen to your teacher, catch a ball, and joke with your friends. That’s the part of the brain you use ______ you text, play games and watch TV.

The other way of paying attention helps you think about how you ______. It helps you sort out your feelings about a fight with your brother. It helps you ______ the joy of baking cookies with your grandma. That’s the part of the brain you use to be ______, daydream and imagine your future.

But these two parts of your brain can’t both ______ at the same time.

So what happens if you’re always ______? You’ll only use the first part of your brain. You’ll ______ use the thoughtful part. If this part of your brain doesn’t work well, you may not know what you really feel. You can be ______ of what you really want.

That’s why it’s ______ to learn to be bored. Being able to do ______--- happily --- is an important skill. It’s something you have to practice, ______ it will feel much more rewarding than computer games.

1.A. educate    B. support    C. help    D. entertain

2.A. have    B. avoid    C. start    D. forget

3.A. spare    B. long    C. limited    D. local

4.A. pain    B. business    C. trouble    D. challenge

5.A. situations    B. concerns    C. decisions    D. performances

6.A. just    B. even    C. still    D. only

7.A. fit    B. good    C. hard    D. simple

8.A. habit    B. heart    C. brain    D. life

9.A. continuing    B. disappearing    C. hiding    D. happening

10.A. when    B. since    C. before    D. though

11.A. react    B. speak    C. feel    D. relax

12.A. tell    B. learn    C. explain    D. remember

13.A. creative    B. active    C. attractive    D. competitive

14.A. exist    B. work    C. spread    D. move

15.A. free    B. real    C. busy    D. normal

16.A. always    B. ever    C. never    D. once

17.A. shy    B. unsure    C. tired    D. careful

18.A. ordinary    B. impossible    C. difficult    D. important

19.A. nothing    B. something    C. everything    D. anything

20.A. so    B. but    C. or    D. if