B. Write at/on/in
Igo walking ........ the morning.
Goodbye! I'll see you ......... Monday.
My birthday is ......... March.
His birthday is ............ 15" April
We went out ............. Friday evening.
I like to see the stars ............ night.
I heard noises .......... the night.
He is meeting me .......... 9.30am ....... the morning,
We went to the beach ............ the weekend.
I'll see him ........... the end of the month.
I'm leaving
the end of the year.​