---What caused the accident?---It was my fault, sir. I _____ to the left.A.ought not to have turnedB.needn’t have turnedC.shouldn’t turnD.couldn’t turn
网友回答
A解析本题的语意环境为：是我导致了这场事故，我本不该向左拐。ought not have done="shouldn’t" have done本不该做某事；needn’t have done：本来没有必要做某事而做了。故选A。