有several millions of,那么有several thousands

有several millions of,那么有several thousands several millions of several millions of several millions 哪个是正确表达法 several millions of 还是several million具体是several millions of students还是several million of students several million of 和several millions of做题目的时候无意中看到,然后有点不明白,是several million of 还是several millions of,另外一个的用法是什么,或者说另外一个有什么搭配吗、、 several million people还是several millions of people问什么 具体是several millions of students还是several million students 是several millions of the students还是several million of the students还是several million of ... Several------overseas tourists come to visit China every year.A millions B millions of _____ people in the world are sending are receiving e-mails every day.3QA.Million of B.Many millions of C.Several millions’ D.Several millions ____the students in the world are sending information by MSN every day .A many millions B several millions C several million D several million of 有several millions 有several thousands million,dozen,hundred,具体怎么用的啊? _______ students are learning English in China now.A Millions of B several millions C Million of several thousands of millions of year后面year为什么用单 （ ）of people go to Beijing.A Several million B Many millionC Several millions D Many millions应该选什么并说出理由应该选A ___people are seeding email every daya,million ofb, many millions ofc,several million of我一直不明白这样的,我就明白具体数字那样的 如 5 million或者millions of...前面有那种含糊的量词我就不会,像several,many.这样 _____people in the world send and receive e-mail every day.A million of B many millions of C several million of Dseveral millions谢谢 millions of有这个用法吗?请详细解答millions of 、million of、million、millions的区别