首页 > This problem is said _____ three times. A．having discussedB．to have been discussedC．having been disc
This problem is said _____ three times. A．having discussedB．to have been discussedC．having been disc
题目简介
This problem is said _____ three times. A．having discussedB．to have been discussedC．having been disc
题目详情
This problem is said _____ three times.
A．having discussed
B．to have been discussed
C．having been discussed
D．to have discussed
题型：单选题难度：中档来源：不详
答案
B
试题分析：考查句型：Sb/Sth is said to have done,某人某物据说已经做了…，因为problem和discuss是被动关系，用不定式完成式的被动，句意是：这个问题据说已经讨论了三次了。选B。 点评：Sb/Sth is said to have done表示不定式的动作在句子的谓语动词之前发生，如果是将要发生就用Sb/Sth is said to do.
题目简介
This problem is said _____ three times. A．having discussedB．to have been discussedC．having been disc
题目详情
答案
试题分析：考查句型：Sb/Sth is said to have done,某人某物据说已经做了…，因为problem和discuss是被动关系，用不定式完成式的被动，句意是：这个问题据说已经讨论了三次了。选B。
点评：Sb/Sth is said to have done表示不定式的动作在句子的谓语动词之前发生，如果是将要发生就用Sb/Sth is said to do.