jacky
million（百万）和billion（十亿）等词的用法：①当前面有具体让核操展顺千意与数词和several（几个，若干个）时，后面不加s也不加of。例：twomillionstudents两百万名学生severalbillionpeople好几十亿人②当前面没有有具体数词时，后面要加s也要加of。例：millionsofstudents数以百万计的学生请看这道题：____p360问答eoplewenttotheconcertwhichwasheldinPeople'sSquare_____thenightofMayDay.A.Millionsof;inB.Million;onC.Manymillion;inD.Millionsof;on答案：D
