Question

FILL IN THE BLANKS WITH THE OPTIONS GIVEN BELLOW
Twenty years ago kids in the schools ___________ of the internet.I bet you can't find a single person in your school now, ___________ hasn't heard of it. In fact among of us ___________ it on a regular basis.
OPTIONS
didn't hear,had never heard,have never heard,never heard
whom,whose,which,who
use,used,have used,have been using

Answer 1

Twenty years ago kids in the school had never heard of the internet . I bet you can't find a single person in your school now , who hasn't heard of it . In fact among of us use it on a regular basis .

Answer 2

 had never heard 
 who
 use