52单词网 > 高中英语 > 高中英语题库 > This problem is said three timesA.to have been talkedB.to have discussedC.having

This problem is said three timesA.to have been talkedB.to have discussedC.having

来源:网络 时间:
This problem is said three timesA.to have been talkedB.to have discussedC.having

This problem is said _____ three times

A.to have been talked

B.to have discussed

C.having been discussed

D.to have been talked about

试题答案

D

此处使用的是不定式的完成被动式。表示“曾经被讨论过三次”。