用适当的介词填空.1、Jim will come back ( ) about two months.2、The boy

用适当的介词填空.
1、Jim will come back ( ) about two months.
2、The boy ( ) the tree is picking apples ( ) it.
3、There is a map ( )China ( ) the wall.
4、Can you see the big hole ( ) the wall?
5、Walk ( ) the river and you'll find a bridge ( )it.
6、Suddenly,there was a loud knock ( )the door.
7、A cat is sleeping ( ) the door.
8、Tom's mother is ill ( ) bed.
9、He saw a red box ( ) the bed.
10、I sit in the middle,( ) Lily ( )Lucy.