急救,..

问题描述:

急救,..
a great nunber of ,a great deal of,a great many,a great amount四者区别,
there is no doubt that he is from india中为什么要用there,it不行吗?
急速...谢拉.....准确点啊...

基本没什么区别,没必要去了解那些细节的!
至于下面的问题:要用IT的话,其结构应该为:it is in no doubt that ...(要加上in),意义上没有什么区别的,习惯用there be句型.