1)Who is the...student in your class(tallest)
2)Who is the...student in your class(hardest-working)
3)Who is the...at sport in your class(best)
4)Who is the...student in your class(friendliest/ the most friendly) оба применимы
5)Who is the...student in your class(the most talkative)
6)Who has got the...hair in your class(longest)