fly in the sea还是fly on the sea?

问题描述:

fly in the sea还是fly on the sea?
There are lots of birds flying _____ the sea.
A.on B.over C.in D.through
就是我看其他几个答案也对的~`郁闷!有什么区别啊?

fly in the sea词 at,on,in at指一个“点”或“小地方”;in指一个“地区”或“大地方”空间内;on在某一平面或线上面.They arrived at the village at ten.Your pencil is in the desk.Your pencil is on the desk....