he is not the man---- he used to be 肯定能填that 为什么不能填 as'呢?

he is not the man---- he used to be 肯定能填that 为什么不能填 as'呢? He isn't the man that he used to be.为什么用that呢 He is not the man ------he used to be.A whom B who C that D he is not what he used to be 为什么不能how he used to be he is not the man _he used to be A that B who Cwhich Dwhom he is not the man _he used to be 空里填what和that都可以吗? Is that ()he used to study?为什么填where,而不是填in which,the place, he is not the man he used to be .A.that B.which C.who D./ 到底 He is not the man that he used to be 在从句中作什么成分（注意 he is not the same man ___he used to be.as不是可以做表语么、为什么这里缺表语不 1.He is not the man ____ he used to be. He is not the man__ he used to be