...______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...
...mmunization centers in a particular community, so that families don't have to travel very far to have their children immunized, so we're trying to be creative,and looking at ways to move our polio eradication efforts forward in those two remaining endemic countries.在 looking at ways to move our po...
They simply sense changesin their environment, as for example when the mound's wall has been damaged, altering the circulation of air.这里的altering指的是 they 吗？如果是they的话，这个句子翻译好奇怪， 翻译：白蚁可以改变空气流动吗？ 白蚁怎么有能力去...
...ions he made, the money of taxpayers and stockholders has become available for studies the nature of which they do not often understand, though they appreciate their value and anticipate their ultimate pecuniary benefits. the nature of which they do not often understand的of 是不...
...other than什么区别：Thiscrop doesn't do well in soils ____the one for which it has been specially developed. (CET 4 1999,1) A) beyond B) rather than C) outside D) other than 请问，这个题到底选哪个？查的答案都选D。可是有学生说，字典上有一项是 beyond...