Question

Нужно вставить a,an или -
1.Teenagers like to listen to ... music.
2.Thr school hall was full of ... noise.
3.Could I have ... glass of ... water.
4.It`s ... fine wether today.
5. i don`t like ... cheese. 
6.Would you like ... apple? - No, thanks.
7.I have bought ... interesting book about ... African nature.

Answer 1

1)ничего не нужно(-)
2)нужно (а)
3)нужно и там и там(а.а)
4)нужно(а)
5)не нужно(-)
6)нужно (an)
7)помойму  не нужно