第二节　完形填空(共20小题；每小题1.5分，满分30分)

阅读下面短文，掌握其大意，然后从16～35各题所给的A、B、C、D四个选项中，选出最佳选项。

AsIheldmyfather'shandsonenight,Icouldn'thelpbutnoticetheircalluses(老茧)androughness.Hishandstellthestoryofhislifeasa__16__，includingallhisstruggles.

Onesummer,Iremember，adrought(旱灾)hitOntario,turningitintoa__17__desert.OnoneofthosehotmorningsIwaspickingsweetcornwithmydadtofillthelast__18__fromthegrocerystore.Fiftydozenwasallweneeded,which__19__tooktwentyminutes.Thatmorning，however,theprocessdidn't__20__quickly.Afterfortyminutesofaimlesslywalkinginthefield,we__21__neededtwentydozen.Iwascompletelyfrustratedand__22__．Droppingthebasketheavily，Ideclared，“Ifthestorewantsitslasttwentydozen，theycanpickitthemselves！”Dad__23__，“Justthink,mylittlegirl,onlytendozenleftforeachofusandthenwe're__24__.”SuchisDad—whateverproblemhe__25__，henevergivesup.