He wrote her a letter introducing himself and inviting her to copprespond.请问老师，introducing 和inviting 作 a letter 的后置定语还是作wrote的伴随状语?实物Letter可以作动词introduce 和invite的主语吗？ 谢谢老师。
...我在网上找的一篇，请老师帮我评改一下，非常感谢！Chinese paper cut has a long history of over 2,000 years. It can be seen in different parts of China. Many people, no matter young or old, are fond of it. People in northern part of China do well in making paper cut. They cut pa...
Shares in Allergan, a pharmaceutical firm with headquarters in Dublin, fell by 15% in response to suspicion that tax-avoidance legislation would scupper its planned $160 billion merger with Pfizer, an American drugmaker. 请问：that 引导的是什么从句？
I have seen many great men in my time, but I never saw a greater man in my life.后半句用了一般过去时，为何不用现在完成时（I have never seen a greater man in my life）?两者之间有什么含义上的区别？盼专家老师权威解惑，谢谢。
In some cases, it is not so much the treatment of the animals on set in the studio that has activists worried;it is the off-set training and living conditions that are raising concerns.强调的内容应该是“not the treatment of the animals on set in the studio”，so much 属于worried的修...
...ensitive method for the detection of trace amount of poisonous susbstances in milk and meat products is to be popularized in a country embarrassed by the scandals of clenbuterol and melamine contamination in food.请问"tace amount"前面为什么可以不加不定冠词"a"？
He looked round him with a furtive and stealthy air, as one who dreads pursuit. Then he vanished over the hill.怎么理解和分析as one who dreads pursuit？as在这里用法词性？ 这句话和前句的关系如何分析？
最知人心是江月，总是沉默。What does really understand one's heart, at least it seems to me, is the tenderly gorgeous and fabulous moonlight haunting the alone peaceful river that tends to be silent.我认为的错误：1. What does really understand one's heart 这句主语从...
...n has told the story of a delivery of 10,000 bottles of sterile penicillinat the airport of a Far Eastern country. ②It was apparently customary to pay customs officials about $ 250 upon arrival of each shipment to " get them out of the sun "get sb out of the sun是不找某人麻烦的...
It was the busiest ten minutes of the activity. I arrived at our place three minutes ____(early).只能是比较级吗？I think the problem with this office is that it is so small. we need a____ (large)one. 只能用比较级吗？比较级不应该是在原级large的基础上更大用large?而先...
...ctives, for example how many new customers you want to gain and the anticipated size of your customer base at the end of the period. The plan needs to include operational information such as where you business is based, who your suppliers are and the premises and equipment needed.看到曹老...
句子：Instead he was smiling at a rather severe-looking woman who was wearing square glasses exactly the shape of the markings the cat had had around its eyes.问题：我的理解exactly是做强调用，但感觉加粗部分更像是定语修饰glasses，是exactly前省略了 that is （...gla...