---I’msorry,Mrs．Smith．Ihavebrokenyourglasses．---Itdoesn’tmatter,Mark,but

发布时间：2020-08-06 19:34:16

---I’m sorry, Mrs．Smith．I have broken your glasses．---It doesn’t matter, Mark, but you _________ careful．A.must beB.should beC.must have beenD.should have been

网友回答

D解析表示原本该做某事而未做，用“should have done”，句意为“没关系，不过你当时实在应该小心点”。
以上问题属网友观点，不代表本站立场，仅供参考！