初中英语补习班|初中英语总复习易错题易错点易混点集锦（4）
28. - How much ______ the shoes? - Five dollars ______ enough.
A. is;is B. are;is C. are;are D. is;are
[剖析] 答案为B。shoes作主语时，谓语动词应用复数形式;five dollars是一个整体，应按单数对待。
29.〔误〕We got to the top of the mountain in daybreak. 〔正〕We got to the top of the mountain at day break.
〔析〕at用于具体时刻之前，如：sunrise, midday, noon, sunset, midnight, night。
30. 〔误〕Dont sleep at daytime 〔正〕Dont sleep in daytime.
〔析〕in 要用于较长的一段时间之内，如：in the morning / afternoon, 或 in the week / month / year. 或 in spring / supper /autumn / winter等等。
31. 〔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。
32. 〔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
33. 〔误〕I"m 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。
34. 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。
35. 〔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)
36. 〔误〕In the beginning of the book, there are some interesting stories. 〔正〕At the beginning of the book, there are some interesting stories. 〔析〕at the begining与at the end都是指某事物的开始与结束部分，均不指时间范围，而in the beginning 则是指开始一段时间。in the end=at last是指"最终，终于"之意。
