这是教美式发音的美国老师说的：Oh, not it's cracked up to be.=That is to say, it is not as good as advertised.请教老师老师：advertised 前是不是省略了it is 呀？那如果是这样，是否应该用副词well, 即It is not as well as (it is) advertised 呢？我不懂的...
形容词recent（最近的）和副词recently（最近）都含有“最”的意味，它们可以与 most（最）连用吗？按理说应该是可以的，但却遇到这样一句：In the most recent attack one man was shot dead and two others were wounded. 在最近的一次袭击中，一名...
例1: However , as they begin to
digest the sugar（时间状语从句）, their blood sugar levels（主语）decrease
quickly（谓语）, leading to a bad feeling（结果状语）.
例2：As
with caffeine（状语）, this（主语）prevents（谓语）the
body（宾语）from relaxing（宾补...
Space is not a
very hospitable place. There is no air. Depending on whether you are in
sunlight or not, it is either freezing cold or roasting hot.这句话的depending on的逻辑主语是谁？是后面的it吗？主语一致吗？
有老师和书上认为指示代词this等的替代词是it,they.如：Is this Bob? Yes,it is.而不是Yes, he is.但是，朗文语法书上有这么一句原话：当所指的是人时，可以用he,she代替this/that.并附一例句：This is Mrs Jones. She is in charge here.有老师认为此...
表示时间的名词 afternoon, morning, evening 前好像一般是要用冠词的。但为什么下面的句子没有用冠词呢？Evening came on. 黄昏降临。Can’t the decision wait until afternoon? 能不能到下午再做决定？Evening was already drawing in. 夜晚已经渐渐来得...
... and stared into a shop window, upon which Holmes did the same. 这里的upon which Holmes did the same - 福尔摩斯也学着他们的样儿（=也那样做了）。请教老师，1）这里的介词 upon = on 是 “关于“ 的意思吗？2）可以转换成例如, as Holmes did the ...