是Several of them还是Several of whom
是several thousand还是several thousands of ?
具体是several millions of students还是several million students
several thousand还是several thousands of
several millions of 还是several million
是several millions of the students还是several million of the st
several million people还是several millions of people问什么
several 到底是修饰hundreds of 还是 hundred?
several millions of several millions 哪个是正确表达法
several million of 和several millions of
several的用法到底several hundred books还是 several hundreds of the
There are several of
several thousands of