The students cannot understand what he said.为什么要填what?

The students cannot understand what he said.为什么要填what? He could hardly understand what the towr guide said,__? None of the students (understand)what he (say)did they do you understand what he said? I cannot r_what he did to what he said. I don`t understand all that what he said mean.为什么能这么说 英语句型转换题目1.the girl could hardly understand what he said（改为反义 What the teacher said is so hard that he can t understand it What the teather said isso hard that he can't understand(改为同 What he said c_____me.And I couldn't understand him. 连词成句almost,what,I,can,said,understand,he _____,I couldn't understand what he said