It's the third time that you have been unable to answer the same _其他解答

It's the third time that you have been unable to answer the same question,_________?
A.is it
B.isn't it
C.have you
D.haven't you
首先请分析一下这是一个什么句型：有人说that引导的是定语从句,但我觉得不对.有人说这是个强调句型.问题是反义疑问句究竟是跟主句走还是跟后面的that引导的句子走?

人气：310 ℃　时间：2020-01-27 18:14:44

解答

　　这个是强调句,It is (was)…that (who)…为结构词,　　假如去掉,剩下部分在语法结构和句子含义上均完整,这一点正是它和定语从句等的本质区别.　　这里面去掉以后按正常语序有　　you have been unable to answ...