问题:
---He ought to have been warned of the danger.
---_______, but he wouldn’t listen to me.
A.He did
B.He should
C.He ought to
D.He was
---He ought to have been warned of the danger.
---_______, but he wouldn’t listen to me.
---_______, but he wouldn’t listen to me.
A.He did | B.He should | C.He ought to | D.He was |
参考答案: