we usually walk together____(talk) about something we are interested in.横线上应该填什么?为什么?

问题描述:

we usually walk together____(talk) about something we are interested in.横线上应该填什么?为什么?

talking
we usually walk together 这是句子主体,
后面, 自然就是分词短语做伴随状语.表示边走边聊.