is it "he must have fallen" or "he must have fell"?whythank you

is it he must have fallen or he must have fell?whythank you 问英语反义疑问句英语高手来He must be Peter Lee,_________?He must have seen the movie,__________?He must have seen the movie yesterday,_______?It is unfair,________?注明下原因 ------Tom is so glad today.He is talking with others h______ all the time.------He must have something great. let us go and ask about it he must have done it yesteraday,――?he must have done it for 2 years ――?he must have done it yesteraday,――?he must have done it for 2 years ――?he must have been here yesterday――?he must have been here for 2 years――?这几个反 he must have done it yesteraday,――?he must have done it for 2 years ――?he must have done it yesteraday,――?he must have done it for 2 years ――?he must have been here yesterday――?he must have been here for 2 years――?这几个反 My watch is m___.Someone must have stole it he must be in his bedroom now（改为反义疑问句）he said to me Have you seen the film yet?(改为间接引语）it is time for class but he can't find his textbook he is really( ) i think______(一定是）Jack that parked the car like that,for he is always doing so.为什么标答是it must have been what a()(sun)day it is tody适当形式填空he must ()(be)our new classmatedo you enjoy ()(live)in japan?i have a ()(real)busy week he must have told her all about it .all能挪到it前面吗 The ground is wet,it must have rained yesterday.请问为什么The ground is wet,it must rain yesterday.不行 It is not like Jack to be unfriendly,so he ___ you when you calledA/can't have seenB/should not have seenC/must not have seenD/need not have seen为什么选择A?怎么翻译? He must have eaten too much yeserday,( )?在线等候!He must have eaten too much yeserday,(didn't he )?He must have finish it,(hasn't he )?括号里为什么要这样填? 翻译 He must have fallen sick,for he is absent today mean?He must have fallen sick,for he is absent today翻译 分析句子he is very rich,so he must have made a fortune. Since there is water everywhere,last night Since there is water everywhere, last night. a.it must have been rained b.it must have rainedc.it must be raining d.it must rain中文意思,选择哪一个,为什么? You must have missed it