...度时，通常用一般现在时代替现在完成时。如：It’s a long time since I met you last. 从上次见到你，已有很长时间了。It’s a fortnight since I last saw her. 我有两个星期没有看见她了。我的疑问1:这两句主句为什么可以用一般现在时?其条...
I remember walking down the long hall and opening
the door to my room to find an entire flock of seagulls.上面一句摘自2021年高考的全国甲卷（全国2卷）的完形填空。不太明白an entire flock of的意思。表面上看是“一整群”，an entire flock
of seagulls 意思是...
New data from
United States Forest Service ecologists show that for every dollar spent on
controlled smallscale burning, forest thinning, and the trainning of firemanagement
personnel saves seven dollars on having
to extinguish. 这句错在哪里，麻烦老师解答
老师好! 以下例句中，which 引导的定语从句中的 it（划线部分）是不是应该去掉为好？谢谢老师们的帮助。As the great scroll of history unrolls, many complicated incidents occur which it is difficult to introduce effectively into the pattern of the likes and d...
...t had been laid out for the dead is thrown into a river or into the sea as it is considered unlucky for anyone living to eat it. as it is considered unlucky for anyone living to eat it.这个状语从句中：我的理解是：it 主语，指的是food；is considered是谓语被动；unlucky是主...
...一个句子，困惑了半天。Researcher Dr Humera Iqbal describes what it's like to be a child responsible for dealing with doctors and landlords, bank staff or restaurant suppliers. 这里的it's like 中的like是介词呢还是动词呢？动词应该用likes前面没有be，如...
主+be +adj. +to do = It be +adj.+ +to do sth（it为形式主语）这个说法是正确的吗？那么 I am hard to love = it is hard to love me.It is hard to do / eat / look at 也是正确的咯？（it为真实主语）
...d the Internet, which can make our learning
more efficient and we all benefit from it.想请问老师这句话里面
we all benefit from it 的it
应该是代指 computers and the Internet
这样应该是双数，为什么不用these或者them吗，it不应该是单数吗？应该什么情况才...
...—May I go out. Dad？
—No, you ________ let your mother know first.
A. can B. may C. need D. must
老师说答案为D, 理由是先要征求妈妈的意见，然后才能出去，我质疑说，即使先告诉妈妈也不一定允许他出去。我觉得应选C，...