1、No, never.lets 包括说话方和听话方let us 不包括听话方，具有请求允许的意味think about “考虑”，后跟名词、代词、动名词或宾语从句，可与 think of 互换What do you think about/of this book?think over 仔细考虑thing of 想起，想一想relax “放松”relaxing “使人放松的；令人放松的”，修饰物、环境relaxed “感到放松的”，常用来修饰人We feel relaxed after a relaxing vacation.名词+ful，可构成形容词，表示具有某种性质peace peacefu
2、l use usefulhelp helpful color colorfulcare careful before和ago都可用作副词，表示“。之前”before 表示从过去某时起的若干时间以前，多用于完成时或是一般过去时，与时间段连用时，before后置，与时间点连用时，before前置ago 表示从现在起的若干时间以前，常用于一般过去时，只能与一段时间连用，前ago后置He said he had met her three days before.She go to the office before five oclock.He met her three days ago.othe
3、r “其他的”，只做定语，常与名词复数连用；the other 表示两者中的另一个，是特指，常用于“one。the other”others， 用作代词，泛指其他的人或物，some。others意思为“有的。，有的。”the others 特指在一个整体中的其他的人或物another 泛指三者或三者以上中的任何一个，后常接名词单数；还可用作代词。We study Chinese, English ,math and other subject.I have two brothers. One is a doctor, and the other is a worker.There are th
4、ree children in the room. One is a girl, and the other two are boys.We should think of others.I have ten balls. Five of them are green, and the others are yellow.This shirt is too small for me. Show me another please.分数表达：a quarter 四分之一 three quarters 四分之三a half 二分之一 two thirds 三分之二So you can choose
5、 to go whenever you likeYou can ask for help whenever you need it.whenever 与no matter when 同义 ,“无论何时”whatever “无论什么”however “不管怎样”wherever “无论哪里”location equator somewhere amusementtheme ride spring unusual unbelievablepeaceful perfect province Indian amusement park 游乐场 somewhere different 某个不同的地方ha
6、ve a great time 玩得高兴take the subway 乘地铁back in April 早在四月learn about 了解much bigger 大得多in such a rapid way 用如此快速的方式even better 更好be able to 会，能够different kind of 不同种类的in the future 将来hear of 听说take a ride 兜风something important 重要的东西in Southeastern Asia 在东南亚whether 。or。不管 。还是。at night 在晚上（这个比较特殊，在上午、在
7、下午用in）during the daytime 在白天be close to 靠近far from 离。远tea art 茶艺 tea set 茶具 a great way to do sth. 一个做某事的好方法Its unbelievable that 很难相信love doing sht. 喜欢做某事want to do sth. 想要做某事try hard to do sth. 努力做某事have problems （in） doing sth. 做某事很费劲the best time to do sth. 做某事的最佳时间choose to do sth. 选择做某事tell sb. to do sth. 告诉某人做某事语法：含有be动词的现在完成时 have/has + been +肯定句： Tom has been abroad for a week. 汤姆出国一周了。否定句：Tom hasnt been abroad . 汤姆没有出过国。疑问句：Has Tom been abroad? 汤姆出过国？特殊疑问句：How long has Tom been abroad?She has been to Shanghai. 她去过上海。She has gone to Shanghai. 她去上海了。
