The leaves fall off the trees .... autumn.
on
at
in
He always brushes his teeth .... the morning.
on
in
at
Let's play tennis .... noon.
in
at
on
They landed on the moon .... 1969.
on
in
at
School ends .... June 29th next year.
at
in
on
Let's go to the cinema .... Friday.
on
at
in
School begins .... 8 o'clock.
on
in
at
Let's play football .... the afternoon.
in
on
at
The Rubik's cube was invented .... the 1970s.
in
on
at
He's going to the dentist .... Tuesday.
in
at
on
We went to Japan .... 2007.
on
at
in
Lots of farm animals are born .... spring.
at
in
on
The Beatles were popular .... the 1960s.
in
at
on
I'm having a big party .... my birthday.
in
at
on
My puppy was born .... May 4th, 2012.
at
on
in
It usually snows .... winter.
on
in
at
The class trip is .... February.
in
at
on
I'll meet you .... the morning.
on
in
at
They're leaving .... Sunday afternoon.
on
at
it
The final exam is .... May.
at
on
in
We ate lots of candy ... Easter.
on
at
in
I had lunch with him .... Tuesday.
in
on
at
Let's go swimming .... the afternoon.
on
in
at
I always eat dinner .... the evening.
on
at
in
She bought it .... September.
in
at
on
Most people sleep .... night.
at
in
on