I can see two boats ____the river and a bridge ____the river.怎么填空_英语解答

I can see two boats ____the river and a bridge ____the river.怎么填空?

人气：245 ℃　时间：2020-06-05 06:44:35

解答

on over原因麻烦告诉我1下。on 在表面上over 是空间意义上的在上方