several hundred,several hundreds,sebveral hundredsof 哪一个正确?

If you take fifty from one hundred and seve,you will get( )快 several hundred 和several hundreds of有什么区别? several hundred,several hundreds,sebveral hundredsof 哪一个正确? several hundred 和several hundreds of有什么区别? live for several hundred years 等于什么 It's several hundred years old.(同义句替换) It __ __ several hundred years ago. there are ___students in our school 1.several hundred2.several hundreds 3e.some hundred 4.several of hundred several hundred 中的hundred 后要加s several hundred 的形式是不是和a few hundred two hundred 的一样不需要加上s several的用法到底several hundred books还是 several hundreds of the books several hundred后面的名词要加s吗 several hundredseveral hundred several hundreds ofseveral hundred of这三个到底有什么不同?（我彻底搞混了） several hundred kinds of 和 several hundreds of用法及区别 辨析一下several hundred 和several hundreds of具体点呵呵 有several millions 有several thousands million,dozen,hundred,具体怎么用的啊? several 的用法several与hundred,thousand,million在一起怎样使用啊,hundred,thousand,million 是用单数还是复数?如果hundred,thousand,million后有名词呢? several ——are still watching the traffic on may dayA hundreds policesB hundred policeC hundred polices Several _ students in my school are web usersA.hundred B.hundreds C,hundred of D.hundreds of求详解. About _of the workers in that factory are young people.A:several hundred B:a hundred C:over a hundred D:a hundredth