对于 however/instead 的选择，经常出错。例如：There are many ways to describe people using the word "skin." If someone is thick-skinned they are not easily hurt emotionally. You can criticize them or be unkind to them and it simply rolls off their back...
...看到这么一句话：I think that that that that that student wrote on the blackboard was wrong.此句是否有误呢？ 倒数第二个关系代词that是否应该用which, 而不是that?好像记得某本语法书上说（忘了是哪本了），当先行词是that的时候，关系代词不能...
It is considered unfriendly not to smileIt is best not to touch unless you are sure the other person is comfortable with it.这两句里的not to smile，not to touch视作定语还是状语，如果是状语，是充当什么状语？
...能否看成be +done 构成的谓语动词；再如he is aching for his mother.此处的aching也是动词的形容词化，能否将谓语看成is aching的进行时态。再如：I was prevented from doing the work.这里就不能看成动词的形容词化。两者如何有效区分，即遇到be...
...ency, he said a "problem" with her account was that a medical
condition at the time meant he could not have been sweating, as she claims he
was.该句子描述一个被指控猥亵的男性所做的辩护。句子中“could not have been sweating”应该是虚拟语气还是陈述语气？这里...
Ah, the Buddhists believe you keep coming back..Moving up or down a level, based on how you lived your life.这句话中coming back,和moving up or down a level是不是都是keep的宾语？based的主语是keep的主语you吗？
...easily swayed,and she just had people's best interests at heart.viewed the world differently to a lot of men, I have great respect for her.（和很多男人看世界的方式不同，我很尊重她）1. 句中swayed是形容词还是被动语态呢？词典没有将swayed列为形容词。2. ...
...站看到美国前驻联合国大使说的一句话：We must always
have the backs of our allies, if we expect them to have our back.假设你是口译译员，听完后在两三秒内会给出什么样的中译文。我觉得这句话对口译是有难度的，稍微疏忽就可能译得不准确...
...outh-East
Asia is less hostile terrain, providing potential access to both the Indian and
Pacific Oceans, for both commercial and military purposes.搜索发现都是用复数，能否用单数？那为什么下面这句里的industry用了单数？Irrespective
of whether this is a good idea, a mean...
...单词，在牛津字典中的解释是a book in which
you can write down the experiences you have each day, your private thoughts,
etc.那么这个单词指的就应该是那个book，也就是日记本。那么有两个问题：1，如果想表达一篇日记该怎么说呢？比如我今天想写...
...aits can be used to attract and concentrate foragers.
This often increases the number of individuals collected and attract species
that are otherwise elusive. Sugars and meats or oils will attract different
species and a range should be
utilized.问题：在这里 range，我觉得是表示一系列...
...赞同对方的否定陈述用“No”。如：— He didn't come to the party last night.— No, he had something important to do.（是的，他有重要的事要做。）原问题见：http://ask.yygrammar.com/q-4343.html■但我还有一点不是很理解：在这种结构中，如果是反...
Behind the sinks are mirrors and on either side of these, shelves overflowing with an mixture of plastic combs (some plunged into a glass bottle containing a blue liquid), shaving mugs, scissors, cutthroat blades and hair brushes, stacked neatly in a pyramid.在这个句子中，为什么overfl...
So the U.S. Surgeon General has suggested that e-cigarettes may be a useful toolfor adults trying (try) to end their tobacco use,or quit.为什么空格部分不能用不定式to try?（空格部分为 trying）