a good many 和 a great many of

问题描述:

a good many 和 a great many of
区别在何.
_______the students in our school go to college in their teens
空格该用什么呢.

选a great many of
a great many后面直接加复数可数名词
a great many of 后面跟限定语再跟名词
例如:
a great many students
a great many of "my" classmates
great可与good替换.