one or two of you touched on the subject of accommodation earlier.
问题描述:
one or two of you touched on the subject of accommodation earlier.
想请帮我分析一下这句话,特别是touched在这里的作用,为什么要在touch后加ed,
答
这里touch on是一个固定短语,“谈到了,涉及到...”
由于后面有个earlier,表示“先前...",所以用过去时,touch加ed.