问题描述：
介词和副词的区别
在下面的几个句子中的across哪个是介词,哪个是副词?
He suddenly saw Mary across the room.
a bridge across the river.
We swam across the river.
We can't swim across.
He couldn't get the idea across to the class.
请帮忙分析一下词性,非常感谢!
说一下原因啊，谢谢！
在下面的几个句子中的across哪个是介词,哪个是副词?
He suddenly saw Mary across the room.
a bridge across the river.
We swam across the river.
We can't swim across.
He couldn't get the idea across to the class.
请帮忙分析一下词性,非常感谢!
说一下原因啊，谢谢！
问题解答：
我来补答展开全文阅读