In, On, At
In
I am going to go to the France in one month.
I was born in March.
Your dog is in the living room.
I will be back in a minute.
I plant four roses in my garden.
On
I have a tattoo on my shoulder.
Lucy was born on december 21st.
He is going to go out with his girlfriend on valentine days.
I found my keys on the floor.
They will go to Disneyland on monday.
At
I wake up at 7 o'clock.
They by vegetables at the supermarket.
We have lunch at midday.
I will go to the party at night.
We will go to the cinema at the weekend.
