Question

—I didn’t tell him the news.—Oh, you ought _______. A．to 　　 B．not to C．not to have

—I didn’t tell him the news.—Oh, you ought _______. A．to 　　 B．not to C．not to have 　 D．to have

Answer 1

D

本题考查情态动词的用法。此处表示“过去你应该告诉他这消息，可你没告诉他。” ought not to have done “过去本不该做某事却做了。” ought to have done 意为本来应做但实际没有做。简略答语中have不可省。