15. The walls are made from old glass bottles that are glued together.( P 122)

　 be made from…… 由……制成(看不出原料)　　　　　　　 be made of…… 由……制成(能看出原料)

　注意：take place和 happen 都是表示“发生”的意思，都没有被动语态。它们的区别是：

happen to sb.　 某人发生了某事　　　 happen to do sth.　 碰巧发生了某事

happen:一切客观事情或情况的偶然或未能预见地发生

take place: 发生事先计划或预想到的事物.(历史上的事件，集会等先布置而后发生或举行的事情，不用于地震等自然现象)

14. I prefer to receive a gift that has some thought behind it.(P108)

prefer to do sth.　　　　　　　　 prefer to do sth. rather than do sth.　　　　　

prefer doing　 sth. to doing sth.

13. At times an ad can lead you to buy something you don’t need at all.(p106)

● at times = sometimes有时　　　　　 sometime　 某时　　 some times几次，几倍　　　 some time　 一段时间

● lead sb. to do sth.纵容/引诱/引导某人做某事　　　 He led us to his home.　 You lead and we’ll follow.

12. I only just made it to my class. (P78)　 我刚好到达教室。

● make it　 办成功，做到，赶到　　　 I think we’ll just make it.

● 及时到达；赶上　　　　　　　　　　 The train leaves in five minutes, we’ll never make it!

● 约定(时间)　　　　　　　　　　　 As for our next meeting, let’s make it the day after tomorrow.

11. It’s used for seeing in the dark.(P69)

be used by　 被……使用　　 be used for doing sth. = be used to do sth.　 被用来做……　　　　 be used as　 把……用作……

10. I’ll help clean up the city parks. ( P60 )

动词+副词，代词放中间：

cheer up ,set up , put up, fix up, cut up, clean up, give up, pick up, look up, mix up, use up, eat up, give out ,work out ,hang out, hand out, clean out, turn on, turn off, turn down, turn up, take off, put off, put on, give away, put away, think over, look over

9. There must be something visiting the homes in our neighborhood.(P38)

● There be …doing sth.　　 There be 句型中不能再有have/has

● must be　 一定

8. She’s worried because of her test. (P 36)

● because of + 短语　　　 because + 句子(主语+谓语)

● be worried about = worry about　 担心……

7. It must belong to Carla. (P34)

belong to sb.= be sb’s

6. What would you do if you had a million dollars?(P26)

● 具体数字

/several + hundred/thousand/million/billion　　　　　　　

hundreds/thousands/millions/billions of

● 虚拟语气：　 主语+would/should/could + V原 if + 主语+ 过去时态( be动词用were )