2019高中英语刷题首选卷 基础练 能力练 Unit 5 The power of nature Section Ⅲ Grammar（含解析）新人教版选修6

Section Ⅲ　Grammar对应学生用书P55[基础题]Ⅰ　单句语法填空1．________ (finish) the work, he went out to meet his friends