语法填空专题练习

摘要

阅读下面材料，在空白处填入1个适当的单词或所给单词的正确形式。I was participating in the First-Year Outdoors Program.I had never done any serious hiking（徒步旅行）before,had never gone more than two days__1___a shower and had never even gone camping before.I wasn’t sure what___2___（expect）from the trip.