表示一个持续到现在的动作(这动作可能刚停止，也可能还在进行)。(1) 构成：have been doing(2) 用法：1) 延续：表示开始于过去的活动持续到现在，并且活动往往还没有结束，将继续持续下去。I ha...

1）在确定的过去时间里所发生的动作或存在的状态。 时间状语有：yesterday, last week, an hour ago, the other day, in 1982等。 Where did you go just now?2）表示在过去一段时间内，经常性...

一、用-'s表示有生命的人或物的所有格用-'s表示，有时也可用of表示。如a man's voice=the voice of a man。此外，还需注意以下3点：The boss's son, was arrogant to all the employees. 老板的...

From the seventeenth-century empire of Sweden， the story of a galleon that sank at the start of her maiden voyage in 1628 must be one of the strangest tales of the sea. For nearly...

They had enough cash for a one-way ticket.他们有足够的现金买一张单程票。Her disappearance and death would give proof enough of Charles' guilt.她的失踪和死亡将提供足够的证据证明查尔...

    THE UNREADY    It is rashly said that the senses of children are quick. They are, on the contrary, unwieldy in turning, unready in reporting, unti...

Tell him not to shut the window.She pretended not to see me when I passed by.我走过的时候，她假装没看见。典型例题1）Tell him ___ the window.A. to shut not B. not to shut C. to not ...

注意：1.邮件内容应包含所有要点，不要简单翻译，可适当发挥; 2.文中不得使用真实姓名、校名等信息; 3.词数90左右(邮件中已经写好了的部分，不计入总词数)。 4.参考词汇：civilized 文明的 resp...

The Metal Pigby Hans Christian Andersen（1842） IN the city of Florence， not far from the Piazza del Granduca， runs a little street called Porta Rosa. In this street， just in fr...

1．构成进行时态(be+现在分词)I am seeing a friend off.我在给一个朋友送行。She was telling us a story.她在给我们讲故事。He will be leaving tomorrow．他明天走。What have you been doin...