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2017届高考英语考前冲刺难点重点大盘点 一．IT句型 1.It +be + 一段时间 +before 从句 2.It + be+ 一段时间 + since从句 3.It + be+ 时间 + when从句 4.It + be+ 强调部分 + that从句 注意:It was at this shop that you bought the watch, wasn’t it ? 对比before / when 1) It will be midnight when they get home. 2) It was evening D we reached the little town of Winchester. A. that B until C. since D. before 3) -- Were you early enough to catch the metro last night? --Much too late! It was already midnight D I got to the station none was going. (易错选A) A. when, as B. that, before C. since, until D. before, when 强调句 被强调部分指人时 that/ who 均可 e.g. It was A our teacher thought highly of. A. them that B. them who C. those D. he who 疑似强调句 e.g.----I can’t find Mr Smith .Where did you meet him this morning? | 
