1. 引导定语从句的是关系代词，如：
The girl who is behind you is my daughter.
因为 who 在从句中充当了主语所以叫关系代词。
2. 引导宾语从句的叫连接代词，如：
I don't know what you name is.
可是这个 what 也充当了从句...
Check
your predictions in before you watch the video...They
lived on a supercontinent that broke apart a long time ago...As
the dinosaurs adapted to live in their own environments, this gave rise to
different dinosaur species....The
reason why is still a mystery.老师，这是美国原版句子。1...
Tap the + (plus) button in the top left corner then Add a control to
drop in the relevant shortcut icon: It's under the Vision Accessibility
heading, and looks like a car with a row of dots next to it.这句话的to drop in是做目的状语吗？还是drop sth into的用法？drop in是放入的意...
His arguments radically revised existing concepts of electromagnetism（电磁），light，and the behavior of moving bodies as set forth in Newtonian physics.如果as set forth in Newtonian physics 是非限制性定语从句，为什么之前没有逗号？如果是限制性定语从句，为什...
第一种断句:
A gap/ in what aspect/ does "digital divide" refer to？
名词(a gap)+状语(in what aspect)+一般疑问句，但是这个语序我不太懂，好奇怪。
第二种断句:
In what aspect does... refer to a gap?把强调部分放回句中，这个语序我理解，是in+特殊...
Not knowing his telephone number,she had some difficulty getting in touch with Bill.getting in touch with Bill 中的成分是怎么划分的，get in + touch witch？ 另外，为什么例句中用getting 而不是to get？ 句子看不出是进行时态吧？
She will remainin post to bear the burden of the European election results, which will be announced on Sunday night and are widely expected to be grim for the Tory party.
请问in post做什么成分
（1）Hong Kong is a good place in which to live.（2）Hong Kong is a good place to live in.（3）Hong Kong is a good place to live.（4）Hong Kong is a good city to live in. 请问：第三句的live后面没有in，是否正确？如果第四句没有in，语法上对不对呢？类似的...