完形填空 All the world asks On my first day in a college classroom,I  felt like an overgrown child returning to civilization (文明世界) after having been lost in the forest for thirty years.There I sat,__ 1 __enough to be a father to most of the students in the room,__ 2 __unconfident enough to be their baby brother. We were crowded elbow (肘部) to elbow,listening to a__ 3 __ who looked even younger than the students.I felt uncomfortable and out of place as the professor carefully__ 4 __what she expected us to learn.As I listened,I couldn't help but__ 5 __of my own oldest daughter who was now beginning her first year in__ 6 __,just like me.I remembered how hard I had tried to help build self－confidence in her and my other children.So why did I suddenly feel like a scared__ 7 __myself?When I walked out of that classroom,I had serious __ 8 __about my ability to make it__ 9 __college. Not until late that night did my thinking__ 10 __.It was a long－distance__ 11 __from my daughter,my fellow college freshman (新生),that did the trick.She spoke on the phone about the doubts,worries and anxieties she was__ 12__. She was certain that she'd never__ 13 __at college.How__ 14 __her worries sound ed.In my most confident parental__ 15 __,I said,'Doing your best is all the world__ 16 __'．The next day in class,those words still repeated in my head. When the professor raised a__ 17 __for the class,nobody,including me,__ 18 __to answer.When I looked around at the__ 19 __and uncertainty on the young faces in that room,I knew__ 20 __what I had to do:my best.That's all the world asks.So raised my hand,and the professor called my name. I spoke. (     )1.A.big (     )2.A.and (     )3.A.professor (     )4.A.showed (     )5.A.think (     )6.A.school (     )7.A.father (     )8.A.fears (     )9.A.over (     )10.A.stop (     )11.A.call (     )12.A.obtaining (     )13.A.fail (     )14.A.common (     )15.A.sound (     )16.A.hopes (     )17.A.request (     )18.A.dared (     )19.A.sorrow (     )20.A.exactly B．tall B．so B．teacher B．explained B．speak B．office B．parent B．doubts B．on B．turn B．talk B．gaining B．succeed B．ordinary B．whisper B．asks B．problem B．preferred B．joy B．roughly C．old C．or C．lecturer C．designed C．talk C．classroom C．child C．opinions C．with C．change C．report C．experiencing C．win C．regular C．word C．wants C．question C．tried C．fear C．gradually D．strong D．yet D．instructor D．offered D．hear D．college D．son D．ideas D．through D．continue D．discussion D．feeling D．pass D．familiar D．voice D．expects D．demand D．prepared D．anger D．certainly