In Chrétien de Troyes's Lancelot, or, The Knight of the Cart, no less a hero than Lancelot weeps at a brief separations from Guinevere.曹老师您好，我想请问一下这里的 "no less a hero than" 如何分析，查阅资料看到说是一个定语从句的省略，但是在这里改成定语...
... accepted it.A．finished B．finishingC．having finished E. having been finished答案A，没有问题。(with sth done结构）我的问题是：B，C和E是否可以？由于finish 既可以用作vt, 又可以用作vi，所以，想请教老师，其余3个选择是否可以？为什么？...
...t approve of me protecing the boy from being bullied. Jack would have been a prominet member of the Law Society but for his mother falling ill. 请问一下老师，这是什么结构呢，这里的doing的句法功能是什么呢？
请问下列句子：Armstrong was the first man _________ (walk) on the moon.填写 walk 不定式作定语可以理解。但是能否用 walking ....？能否理解为由定语从句Armstrong was the first man who walked on the moon. 演变而来？请指教！
...中，here是什么词性？副词能做表语吗？2.
I wonder what life was like here in the past. (1)
这是what引导的宾语从句吗？但感觉这里what life...也很像特殊疑问句的疑问语序，比如 what life 一般疑问句？(2)
here是什么词性？3.
Many of the old buildings...
Not only is smoking bad for your health,it's the source of social problems in developing countries because, since profit from tobacco is very high, tobacco has taken up the best food-growing areas,leading to food shortages.请问 because 在这里有什么作用？
—Mark has a project to design,so he is busy with it these days.—I know. And I hope it will ____out fine in the future.A. be worked B. work学生认为该题不严谨，认为B答案好过A。盼望专家老师权威解析。
It has faced a growing population, and with it the high demand for housing. 请问 and 是连接 a growing population 和 the high deman for housing 吗？ with it 是做high demand for housing 的伴随状语吗？ 谢谢!
News that Cambridge Analytica (CA), a firm linked to President Donald Trump’s 2016 campaign, got data on 50m Face-book users in dubious, possibly illegal, ways has lit a firestorm. 请问这句话中的possibly illegal前面为什么没有and，以及和后面的way要有逗号？
A case of suspected food poisoning in New York has led to 6 high school students being sent to hospital.老师，这边的bing sent如果替换成sent，意思是不是就出逻辑不同？替换成sent是不是句子也缺少宾语？
By the middle of the 20th century scientists believed they were well on the way to treating, preventing, or eradicating many of the deadly infectious diseases that had plagued humankind for centuries.为什么句中用了 that 没有用 those 呢，指代的不是复数吗？
A man may play chess with a friend for thirty years without knowing his political opinion, or he may talk politics with him for as long a time without knowing about his personal life. for as long a time 是什么意思？