选择合适的移动介词完成下列句子:

选择合适的移动介词完成下列句子:
from   ,along  , to ,over ,down ,across ,up ,round ,behind ,outside ,under
 
Simon is swimming _____the pool.
Sandy is going _____the library.
Mille is walking ______the road.
They plan to clim _______to the top of the hill.
Hobo is walking _______the table.
Who can jump ________this short wall.
Daniel is walking ____the stairs（楼梯）.
Amy is walking _____the sofa to the window.
He sits_____me.He can't see nothing.
Look!The boy is standing ————the classroom.
There are two boats______the bridge.