根据句义,用适当的方位介词填空

根据句义,用适当的方位介词填空
1.Beijing is______the north of China .
2.The twins usually stand ____their parents ,and their parents are in the middle .
3.There is a map of China __________ the wall of our classroom.
4.Before 2000,there was no airline _________the two cities.
5.The boy sitting __________Tina,so she couldn’t see the film clearly.
6.She will leave her homework __________ the teacher ‘s desk after school today.
7.You must ride your bike ___________ the right side of the road.
8.Me Smith lives __________ that building.His house is ___________ the fifth floor.
9.there is an exciting moment in our class when a large birds flies ____ our heads
10.The boy is taller than his friend,so he sits ___________ him in the classroom.