do you think 一定要 看作插入语吗? 谢谢答:This man, as you know, is good for nothing.正如你所说的,这个人是个废物。9. 句子 如:I say /hear, I think /hope / believe, you know / see, what’s more, that is (to say), I’m afraid, do you think / suppose等。It’s a great mistake, I think, not to ...