点击免费领取中考核心考点资料！

　　　1. 〔误〕 He became a writter at his twenties 〔正〕 He became a writter in his twenties

　　　　〔析〕这句话应译为：他在20多岁时就成了作家。在某人的一段生活时间段中要用介词in来表示，而在具体岁数时用at来表示。

　　　　2. 误〕 We went to swim in the river in a very hot day. 〔正〕 We went to swim in the river on a very hot day.

　　　　〔析〕 具体某一天要用介词on, 又如：on New Years Day

　　　　3. 〔误〕 Im looking forward to seeing you on Christmas. 〔正〕 Im looking for ward to seeing you at Christmas.

　　　　〔析〕在节日的当天用on，而全部节日期间用at,Christmas是圣诞节期间，一般要有两周或更长的时间。

　　　　4. 误 I havent see you during the summer holidays. 正 I havent seen you since the beginning of the summer holidays. 〔析〕 during表示在某一段时间之内，所以一般不与完成时搭配，如：I visited a lot of museums during the holiday. 而for表示一段时间，可以用于完成时，如：I havent see you for a long time. 而through 用来表示时间时则为"整整，全部的时间"。如：It rained through the night.而since则是表达主句动作的起始时间，一般要与完成时连用。

　　　　5. 〔误〕 At entering the classroom, I heard the good news. 〔正〕 On entering the classroom, I heard the good news. 〔析〕 On 加动名词表示"一……就"。本句的译文应是：我一进入教室就听见这个好消息了。又如：on hearing… 一听见， on arrival 一到达就……(on表示动作的名词)