the reason is that students don't work hard than the students in the past.the number of the students is ten times than t

问题描述:

the reason is that students don't work hard than the students in the past.the number of the students is ten times than the ten years ago..这两句话要怎么改啊.

the reason is that students don't work HARDER than the students in the past.
the number of the students is ten times MORE than the ten years ago.