填上适当的介词完成句子.

填上适当的介词完成句子.
1,This is a map( ) our country.
2,Teacher's Day is ( ) September.
3 Alice is making a birthday chart ( ) her family.
4 The boys do morning exercises ( ) 7;30 ( ) the morning.
5 We often play baskball ( ) Friday afternoon.
6 The students go to school ( ) Monday ( ) Friday.
7 Do they visit their grandparents ( ) the weekend?
8 Fall comes ( ) summer.