He________thewindowofourclassroom

发布时间：2020-07-25 17:40:32

He ________ the window of our classroom yesterday because he didn’t e to school．A.mustn’t have brokenB.mightn’t have brokenC.shouldn’t have brokenD.couldn’t have broken

网友回答

D解析考查推测。用情态动词can/ may/ must. 否定句用can/could .对过去推测用     情态动词 +have done
以上问题属网友观点，不代表本站立场，仅供参考！