He talks as though he _______(know)all about it.答案是KNEW.为什么?

He talks as though he _______(know)all about it.答案是KNEW.为什么? He talks as though he ___（know）all about it.请问这个应该填什么? He talks as though he knew everything 1.talked,he,as,it,he,all,if,knew,about(连词成句) 2.To 虚拟语气He talks as if he knew where she was .He talks as if he He told us all ( ) he knew about computers.为什么填that和what都行 It seemed that he knew all about it.怎么改同义句啊? can't stand him.He always talks as if he—— everything,A,knew he acts as though he did not know anything 为什么时态不一样 He told us all what he knew about computer.中的what he knew ab I can’t stand him.He always talks as though he ___ everythin He told as if he knew everything.还是He told as if he had know