题目内容：

    My three-year-old son, Nathan, was digging the sand to build a castle. Although I warned him it'd be_______, he insisted on building it in the_________ of every single wave that would _________on the shore.

I sighed, figuring the only way to make him _______was to do as he liked and let him see what would happen. I only hoped he wouldn't be too _________ when that first wave destroyed his_________.

But when the water came and washed away his castle, he jumped up and down and clapped his hands. “That's_______! Let's do it again!” I didn't know how he could_______seeing his fruit of labor ruined.

“Is it really fun when the waves wash away the_______?”

“Yes,” he said.

Looking at him, I thought about my________at home. Nothing I did there ever seemed to________.I prepared dinners, which ten minutes after I placed them on the table were________consumed. I mopped floors only to see someone________them on their first trip in from the back yard. My life was just one never-ending to-do________.

Just like the sand castles Nathan built, all my________ were washed away by a giant wave called Family Life. Nothing I did lasted beyond the moment.

Because of this, I often struggled feeling________. I wondered if the things I did________. And if nothing I did mattered, that meant that I didn't matter.

But as I watched my child________in the sand happily, I realized that I'm building something________ , something that will last forever.

I’m__________a family.

1.A.taken apart B.washed away C.cleared up D.dug out

2.A.front B.charge C.form D.path

3.A.crash B.dance C.float D.appear

4.A.understand B.regret C.refuse D.struggle

5.A.angry B.frightened C.surprised D.upset

6.A.future B.creation C.world D.gift

7.A.difficult B.impossible C.simple D.great

8.A.imagine B.stand C.avoid D.risk

9.A.tools B.clothes C.shoes D.castles

10.A.pet B.item C.life D.plan

11.A.last B.happen C.help D.exist

12.A.completely B.suddenly C.finally D.personally

13.A.empty B.dirty C.narrow D.dry

14.A.experiment B.survey C.list D.puzzle

15.A.tears B.worries C.feelings D.efforts

16.A.confused B.fancy C.competitive D.unfair

17.A.counted B.appeared C.changed D.faded

18.A.lying B.digging C.rolling D.sleeping

19.A.actual B.slight C.important D.formal

20.A.protecting B.designing C.building D.creating