It, therefore, is necessary to stop frequently and sanitize low - temperature evaporators, and where sterile concentrated food are required, to resort to an additional preservation. It 是形式主语，两个不定式to stop frequently and sanitize low - temperature evaporators, and wheresteri...
...武汉
黎反修 《朗文当代高级英语辞典》第6版指出：“You
spend money on something可以用spend money on
something表示在某事物上花钱：I don’t
spend much on clothes. 我花在衣服上的钱不多。Don’t
say不要说：I don’t spend much
for clothes.”实际上...
...ncing. 他学习数学，他的兄弟学习舞蹈。She is a nervous woman and always has been (a nervous woman). 她是个神经过敏的女人，并且总是这样。Our flat is on the first floor and theirs (is) on thethird. 我们的公寓在一楼，他们的公寓在三楼。上面最后一...
He has to move about in a wheel-chair since five years old.
按语法规定，这个句子不太对，因为 since 前面的句子应该用现在完成时，但这个句子的谓语是 has to，它如何变为现在完成呢？难道是用 has had to? 像下面这样用？
He has had to move ...
Your mom or dad searching for something. You ask what he or she is looking for, andyou're amazed when they say what it is, becauese it (sit) on the table the whole time in plain sight.空格处填的 has been sitting, 我想问的是能不能填 is sitting 呢...
He uesd to spend money on books.He would spend money on books.他以前常把钱花在书上。used to do 翻译成“过去常常（现在不）”，那 would 怎么翻译呢？would 意思很多，还有一种表示委婉的意愿，是否能理解为：他愿意把钱花在书上。如果这样...
...》在解释介词for表示“离开去某地”时就是这样说的：If you leave for a particular place or if you take a bus, train, plane, or boat for a place, you are going there.（注意句中用了take a bus, train, plane, or boat for a place）。请专家老师进一步分析一下，比...
He had no children and was killed in an accident—leaving everything to his wife. 句子中的现在分词短语leaving everything to his wife 是结果状语吧！请问：前面为什么不用逗号，而用的是破折号呢？换句话说：用作结果状语的现在分词前可以用破折号...
...bia, non-lawyers may not own any share of a law firm. This keeps fees high and innovation slow. There is pressure for change from within the profession, but opponents of change among the regulators insist that keeping outsiders out of a law firm isolates lawyers from the pressure to make money rathe...
...ess
rather than / sooner than 出现在句中其他位置时
He decided to write rather than telephone.这里rather修饰前面to write后面than比较
The manager believes it is important to invest in new machinery rather
than to increase wages.这里rather修饰to invest
A bank is the place where they lend you an umbrella in fair weather and
ask for it back when it begins to rain.这里的先行词是the place，是一个单数, 为什么后面从句的主语就用they?
... Usage给出了下面的用法：
as well as
linking noun groups
If you say that something is true of one person or thing as well as another, you are emphasizing that it is true not only of the second person or thing but also of the first one.
Women, as well as men, have a fundamen...
... the dictionary than reading the book”
但是这个词组后加一个“to”后，变成look up to……，这个词组的意思就变成了尊敬某人或某物了，例如：“He's such a devoted teacher that we all look up to him”
我想问的是：加了to后的词组意思上为什么...
...tmas. 改为强调句：It was Mary that John gave a handbag (to) at Christmas. (强调间接宾语to可有可无，都可)强调直接宾语，请教老师 to 的有无两者都可吗？如下：It was a handbag that John gave Mary at Christmas. It was a handbag that John gave to Mary ...