题目内容：

My husband Bill's Grandma was in a nursing home when we moved back to Michigan. Grandma had been unable to walk for quite some time; now her eyesight was almost gone.

Over the years Grandma and I had ______ many cards and letters. I knew how she enjoyed ______ in touch with people. Grandma would have me write letters to go in the cards she would send. And she would always have me ______ what I had written back to her. Grandma didn't have a problem with hearing then ______ she was always telling me, “That is not ______ how I said that!”  I would then rewrite whatever I wrote in her exact words.

Since I had some ______ time before Christmas, I asked Grandma if she would like to send ______ some Christmas cards. Grandma readily ______. I rounded up several different kinds of cards. I knew she had friends and family who all had different ______. I would take each card and ______ in detail the front of the card, then I would read the words inside.After ______ it over Grandma would tell me who she thought would like ______ card.

After a while I ______ and I noticed that we had several nursing home ______ standing in the doorway. I started to notice as I read each card, the ______ on their faces and Grandma's face, too. Each one had a ______ smile and a far­away look in their eyes, as they were seeing the scenes in their minds' eye.

I thought when I went over to do the Christmas ______ I would be doing Grandma a favor, but it ______ that she did me a big favor. I'll always ______ this special memory of bringing some Christmas joy and pleasant ______ to Grandma and her fellow residents（居民）.

1.A. exchanged    B. changed    C. traded    D. switched

2.A. settling    B. losing    C. keeping    D. getting

3.A. write    B. discover    C. translate    D. read

4.A. when    B. because    C. while    D. though

5.A. carefully    B. truthfully    C. specially    D. exactly

6.A. free    B. flying    C. essential    D. valuable

7.A. for    B. up    C. out    D. away

8.A. acknowledged    B. agreed    C. admitted    D. rejected

9.A. addresses    B. advantages    C. occupations    D. interests

10.A. describe    B. join    C. look    D. ignore

11.A. talking    B. turning    C. taking    D. thinking

12.A. another    B. each    C. one    D. other

13.A. looked down    B. looked over    C. looked up    D. looked through

14.A. graduates    B. visitors    C. patients    D. residents

15.A. attention    B. look    C. glance    D. sight

16.A. gentle    B. loose    C. upset    D. devoted

17.A. trees    B. jobs    C. decorations    D. cards

18.A. turned to    B. turned out    C. came over    D. left out

19.A. treasure    B. admire    C. encourage    D. recognize

20.A. stories    B. faces    C. memories    D. letters