——I didn't apologize to him for being unable to inform him of the_英语解答

——I didn't apologize to him for being unable to inform him of the change in the plan.
——But you ought____.
A.to
B.to do
C.to have
D.to be

人气：136 ℃　时间：2019-10-23 14:36:55

解答

此题的正确答案是：【C】
ought to have done sth 表示过去应该做而事实上却没做的事.意为（过去）本应该.