She has a straight hair. She stands straight.  So people from the mountains in the Southeastern USA speak with the almost the same dialect as people in the northwestern USA.所以，来自美国东南部山区的人们说着和美国西北部同样的方言。 the same..as: 和。。。。。。一样 She told us to go around the corner on the left and keep going straight for two blocks.  她告诉我们绕过左边的街角，然后径直向前走两个街区。 Keep doing sth: 一直做啥事  On the left: 在左边 Block:积木，街区，阻碍（vt). 背单词的好方法 随时随地背单词 不知不觉背单词 It is necessary / imperative / important / essential / advisable that It is proposed / desired / requested / suggested / recommended / demanded / decided / arranged that 混合虚拟句 条件从句表示的动作和主句表示的动作，在时间上不一致，动词形式需要调整 If you had taken the medicine yesterday , you would be well now。 Suggest , order , ask , demand , command , request , require etc.这些动词的宾语从句用虚拟句， 在这些动词后面的宾语从句中，助动词一律是should 。 arrive in a strange city  a petrol station:加油站 keep fit :保持健康 Fight illness and disease(疾病） 与疾病斗争 illness(n) 词性转换________adj   fight 与。。。。。。斗争 build up: 增进，增长,build up your confidence/skill  find out: 找到，发现 E.g, I will try my best to find out the truth.(真相，真理） 经典句式：1.why not do sth? 为什么不做什么事情？ Why not go by underground?  even if 引导让步状语从句 过去分词短语做后置定语   It is ( It was ) important ，其后的主语从句用虚拟语气，助动词用should 。 It is important that we ( should ) learn computer . Wish + ( that ) 从句，通常表示不可能实现的愿望。 表示现在的动作或状态是，从句中的动词用过去时;表示过去的动作或状态时，从句中的动词用had + 过去分词。 但是，从句中动词用would (might ) + 动词原形时，表示现在或将来有可能实现的愿望 I wish I knew a little contract law . 但愿我知道一点合同法(我不知道) I wish you would come tomorrow . 我希望你明天能来 (有可能来) As if / as thought 引导的状语从句(或表语从句)中，常用虚拟语气。 Many of the things we now benefit from would not be around ________  Thomas Edison.A. thanks to B. regardless of C.  aside from          D. but for 【答案】D They believe that there are transport developments ________ that will bring a lot  of changes for the better.A. out of date B. out of order C. around the clock D. around the corner