oii, boa tarde!!
1)
a) My birthday is in July.
b) My mother's birthday is on 6th November.
c) Sam plays tennis on Sundays.
d) We are going to the park on the weekend.
e) I don't like walking alone at night.
f) Do you do your homework in the afternoon?
g) Peter has a guitar lesson at Saturday morning.
h) I sing carols at Christmas.
i) We usually go skiing in winter.
2)
in = july, the afternoon, winter.
on = 6th november, sundays, the weekend.
at = night, saturday morning, christmas.
3)
(1) on / (2) on / (3) in / (4) at / (5) at / (6) in / (7) at
perdão se eu tiver errado alguma coisa, e boa atividade :)
