题目内容：

完形填空

阅读下面短文，从短文后各题所给的四个选项（A, B, C, D）中，选出可以填入空白处的最佳选项。

“Paul must have been trying to carry his waste paper to garbage can and dropped a few pieces.” I____, picking them up____later I found more pieces. No quiet sighing this time. I____,“Who is throwing garbage?” No answer. Instead, I saw more bits of paper____floating down from upstairs. Looking up, I saw my seven-year-old son, Paul.

“Stop making a mess.” “It’s not a mess. They’re____” “Sorry, what did you say?” I hadn’t heard him clearly.

He didn’t answer me. Paul has autism (自闭症) and____answers a question, especially when he’s____attentively on something else. He ran down the stairs. “Where are my other butterflies?” he asked,_____around. Every time Paul____five or more words together, my heart says a_____of thanks. But lately he seems to____that the benefits of forming complete sentences when communicating are____of the effort.

Butterflies. Of course. I rushed to____them from the garbage,_____them off and handed them to my young artist. “Want to see them_____again?” he asked with a shy smile. “Oh yes! They’re beautiful.” I whispered. He ran back upstairs to float his_____down again. They really did look like beautiful butterflies.

That day Paul_____me to look up at____instead of down at garbage. How many other masterpieces (杰作) do I miss because I’m too caught up in my_____to take time to appreciate what’s right in front of me?_____is not what happens to us. It’s how we look at it. Now, I look up.

1.A. laughed    B. sighed    C. amazed    D. shouted

2.A. Days    B. Years    C. Moments    D. Weeks

3.A. called out    B. turned up    C. got in    D. added to

4.A. angrily    B. silently    C. loudly    D. peacefully

5.A. planes    B. papers    C. leaves    D. butterflies

6.A. rarely    B. frequently    C. willingly    D. eagerly

7.A. devoted    B. depended    C. focused    D. addicted

8.A. showing    B. looking    C. playing    D. drawing

9.A. spells    B. puts    C. pushes    D. accumulates

10.A. sound    B. remark    C. report    D. prayer

11.A. refuse    B. hear    C. mind    D. realize

12.A. worthy    B. aware    C. fond    D. typical

13.A. hide    B. destroy    C. rescue    D. remove

14.A. tore    B. dusted    C. cut    D. seized

15.A. throw    B. flow    C. land    D. fly

16.A. masterpieces    B. schoolwork    C. inventions    D. imagination

17.A. reminded    B. forced    C. intended    D. permitted

18.A. mistakes    B. weaknesses    C. beauty    D. scenery

19.A. amusement    B. housework    C. communication    D. homework

20.A. Happiness    B. Failure    C. Success    D. Life