be good at =do well in 在---方面做的好，擅长于

　　in good health 身体健康

　　end—of--year exams 期末考试 report card 成绩单

　　a disappointing result 一个令人失望的结果

　　copy one’s homework 抄某人的作业 get over 克服，原谅，恢复

　　open up 打开 outside world 外面的世界

　　a good start 一个好的开端a good influence 一个好的影响

　　in danger 在危险中

　　重点句型

　　The boy was walking down the street when the UFO landed .

　　While the boy was walking down the street , the UFO landed .

　　What were you doing when the UFO landed .

　　She said she was mad at Marcia

　　She said she was having a party for Linda.

　　He told me he would call me tomorrow /the next day

　　She said she could speak three languages.

　　过去进行时

　　一、 概念和用法：过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作。也可理解为是描述一件事发生的背景;一个长动作发生的时候，另一个短动作发生。其形式为was /were + V-ing。常用的时间状语this morning, the whole morning, all day yesterday, from nine to ten last evening,last night, last Saturday,when, while例如：

　　We were watching TV from seven to nine last night. 昨天晚上七点到九点的时候我们在看电视。

　　What was he researching all day last Sunday? 上周日他一整天都在研究什么?

　　二、 过去进行时可以表示在过去某个时间点发生的事情。时间点可以用介词短语、副词或从句来表示。如：

　　What was she doing at nine o‘clock yesterday? 昨天晚上九点她在做什么? (介词短语表示时间点)