a) on 6 June
b) at 8 o'clock
c) on Wednesday
d) at 12.30 am
e) in 1977
espero que esteja certo, pq eu não entendi se é "an" mesmo ou "on"
2 - there weren´t teachers reading the tests
3 - are there american teachers at your school?
4 - there are cupcakes for you in the fridge
5 - were there children alone at the mall?
6 - there are no books i want to buy here
7 - are there any chairs that i can use in these rooms?
8 - there were stickers on her notebooks