Question

my birthday is october 27th
in
on
at


i remember we went to washington december
in
on
at​

Answer 1

My birthday is on October 27th

I remenber we went to Washington in December

Answer 2

Resposta:

1. My birthday is on october 27th.

2. i remember we went to washington in december.

Explicação:

On é usado para se referir a datas e locais específicos.

In é usado para se referir a locais maiores (países, continentes) e períodos de tempo maiores.