题目内容：

    Having been a teacher for thirty years, I have known well what a loving hug means to my students. It can ______ all kinds of barriers to reach the students in a special way. It can be the ______ by which each child finds his light. I was ______ to my duty of being a loving hug giver.

One morning I received a(n) ______ from my doctor who told me cancer under my arm had already invaded my lymph nodes(淋巴结). I considered whether or not to tell the kids about my ______ . The word cancer seemed so ______ to them.  When it became ______ that they were going to find out one way or another, I ______ to tell them myself.  It wasn’t easy to get the words out, but the ______ I saw in their faces as I explained it to them told me I had made the  ______  decision.  When I gave them a ______ to ask questions, they ______ wanted to know how they could help.  I told them that ______ I would like best would be their letters, pictures and prayers.  A little girl ______ herself into my arms and looked up into my face.

“Don’t be afraid, Dr. Peter,” she said seriously, “I know you’ll be ______, now it’s our  ______ to take care of you.”

During my stay in the hospital the letters and pictures kept coming ______ they covered every wall of my room. What healing comfort I found in being ______ by the love of these kids. I didn’t expect anything in ______ when I helped them, but when they did return the favor, it was such an ______ loving bonus.

1.A.break through B.run across C.go through D.knock into

2.A.goal B.means C.course D.experience

3.A.accustomed B.opposed C.addicted D.limited

4.A.call B.letter C.instruction D.order

5.A.opinion B.difference C.disease D.experience

6.A.frightening B.abstract C.aggressive D.confusing

7.A.lucky B.evident C.necessary D.impossible

8.A.regretted B.decided C.promised D.hesitated

9.A.concern B.trust C.pleasure D.fear

10.A.right B.false C.foolish D.quick

11.A.challenge B.change C.chance D.choice

12.A.also B.hardly C.mostly D.nearly

13.A.if B.how C.why D.what

14.A.ran B.jumped C.struggled D.threw

15.A.dead B.away C.alone D.back

16.A.idea B.lesson C.turn D.duty

17.A.before B.after C.until D.since

18.A.reminded B.shared C.surrounded D.stuck

19.A.time B.order C.mind D.return

20.A.accurate B.enormous C.extreme D.adequate