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It was in this room that we held the meeting. 我们是在这个房间里举行会议的。(强调句型) (去掉It was 和that后, 句子成分齐全。) It was this room where (= in which) we held the meeting. (定语从句) It was Li Hua who came from Beijing that was elected chairman of the meeting. 是来自北京的李华被选为会议主席。(第一个who引导的是定语从句) (2)强调句型与时间状语从句 It was at three o’clock in the afternoon that he arrived. 他是下午三点钟到达的。(强调句型) It was three o’clock in the afternoon when he arrived. (时间状语从句) It is two years since he went to college. 他上大学有两年了。(时间状语从句, since不可改为that。) It will be two hours before he returns. 还要过两个小时他才能回来。(时间状语从句) (3)强调句型与“It is + adj. + that从句”(主语从句) It is clear that you are wrong. 很明显你错了。(主语从句) It is true that he once worked as a doctor. 他以前真的做过医生。(主语从句) 【要点拾遗】 1. within prep. 在……之内, 不超过 【填一填➡激活思维】 ①We’re afraid we can’t finish the task ______ ____ ______. 恐怕我们在这个月内无法完成这项任务。 ②The hotel is ______ ____ _____ of the beach. 这家旅馆离海滨很近。 within this month within easy reach 【记一记➡构建知识】 within easy reach of离……很近, 在……附近 within one’s reach | 
