...______London many times, but he knows little about the city.A. Having been to B. He has been to查了网上关于此题的答案都是B。但为什么不可以用现在分词作状语省略主语"he"而变成Having been to London many times,...感到有点困惑，请老师帮...
A hearing is scheduled in Boston federal court Tuesday to address in
part the extent to which documents from Harvard University should be made
public in an ongoing lawsuit that accuses the school of discriminating against
Asian-American applicants.想请刘老师解释下to which 在这里的用法...
Fifty-seven years to the day after Martin Luther King, Jr., delivered
his “I Have a Dream” speech in front of the Lincoln Memorial. 这个是说马丁路德金发表演讲后的57年后吗，那么这个 57 years to the
day来修饰after， to the day为什么不是from the day?
Trainers of captive dolphins and small whales often remark on their
animals' responsiveness to being touched or rubbed.里面的to being touched or rubbed 是什么语法结构？为什么to be touched or
rubbed?
The pain in her foot wasn’t such as to stop her walking.她脚疼，但还不至于不能行走。这个句子中的 such as to do sth 是用作表语吧？请问除此之外，such as to do sth还可以用作哪些成分？另外，请专家老师具体介绍一下such as to do sth的用法，谢...
It has made a great contribution to the nation's procreation and the country's prosperity, in addition to producing a positive impact on the progress of human civilization.不仅为中华民族繁衍昌盛作出了卓越贡献，也对世界文明进步产生了积极影响。---1.百度一下in add...
used to 的意思是“过去经常”，本身含有“经常”的意思，请问它还可以与 often, usually, always 这样的频度状语连用吗？比如下面这句中的often used to用得对吗？Mr Smith often used to work late in the evening. 史密斯先生过去经常工作到深夜...
... But Annie kept going. "Annie, wait!" Jack called. Annie dropped to the ground. She stepped boldly up to the ancient creature.上下文：Jack和Annie在树上的树屋中，Annie由于对地面的生物好奇，执意爬下树屋去看看。问题：dropped to什么意思？整句话如...
...到的：
1. 读书对于思想犹如运动之于身体。
Reading is to the mind as exercise is to the body.
Reading is to the mind what exercise is to the body.
2. 叶之于植物犹如肺之于动物。
Leaves are to the plant as lungs are to the animal.
Leaves are to the plant what l...
...hey were again bumped by some giant creature as they worked. It turned out to be some huge fish: a cod eight feet in length, and a skate twelve feet across. So the divers refused to go down again. The managers had to promise to have special cages made to protect them.1. 请老师讲下It turned out ...