_____to the gift was a note on which he expressed his appreciation for our help.
A. Being attached B. Attaching
C. Attached D. Having attached
老师，这题选C，但是A为什么不可以，这里不是动名词作主语吗？
Melania herself shies away from the public eye, except for occasional appearances on behalf of her causes.梅拉尼娅本人也回避公众视线，除了偶尔代表自己的事业露面。这里可以用except吗？为什么一定要用except for呢?
...典给的discount英文释义为:an amount of money that is taken off the usual lost of sth. 例句:they are offering a 10% discount on all sofas this month. 本月他们给售价通通打九折。这里表示的是，总价减去总价乘百分数但我们平时把他直接当成总价...
...肤的烧伤层分为一度烧伤、二度烧伤和三度烧伤。译文：There are three types of burns. Burns are called
first , second or third degree burns ,depending on which layers of the skin are
burned.问：该句中明明是“和”的意思，也不是否定句，为什么用了“or”...
...on/56379这个句子是：He lectured on more topics than were included in the syllabus. (该书第1120页)我在剑桥语法找到了这个句子，但它在解释中的 upward percolation 我看不懂，所以请专家老师解释一下，万分感谢！
...dation for where
to stay in Rome, it would be Yellow Hostel. It’s one of the best-rated hostels
in the city, and for good reason. It’s affordable, and it’s got a fun
atmosphere without being too noisy. As an added bonus, it’s close to the main
train station.If you love social hostels, this i...
I knowthe day will come when he'll no longer be able to write the
reports, and we'll have to find other ways to keep records onone another. But
until then, they are our way of knowing that another normal day ___55___. 这是2017温州九校高三期末的完形最后一个空。55题给的答案...
...] to let（somebody）do
something; let(something) be done; permit允许：They
do not allow it/ smoking/you to smoke. 他们不准/不准抽烟/不准你抽烟。 笔者注：查阅该词典后面的Table of codes 文法分析代码可知：T4指该及物动词后面可以 followed by the -ing...
... Impurities are substances that are present in small quantities in another substance and make it dirty or of an unacceptable quality.and make it dirty or of an unacceptable quality.是第二个省略关系代词的定语从句还是与 Impurities are substances that are present in small qu...
But caloric restriction, it kind of shocks the system, and one result is, well, those monkeys onthe calorie-restricted diet had lots more naive T-cells left than you'd expect in monkeys that old.请问老师：句子里的lots是副词吗？left是后置定语还是left than...是T-cells的后...
Onthe other hand, if your language learning has been less than successful, you might do well to trysome of the techniques outlines above.1）less than +adj 是一种什么结构和用法呢？ 意思是什么？ 如何分析less than successful语法成分？ more than 有与此...
The world is spending at least $1.8tn (£1.3tn) every year on subsidies
driving the annihilation of wildlife and a rise in global heating, according to
a new study, prompting warnings that humanity is financing its own extinction. 请问老师：句中的driving和prompting作的都是什么成分...
Some of the symptoms of culture shock are excessive washing of the hands; excessive concern over drinking water, food dishes, and bedding; fear of physical contact with attendants; the absent-minded stare; a feeling of helplessness and a desire for dependence on long term residents of one's own ...