who is that man?It must be her.为什么回答不是that must be her或者this

who is that man?if you ____know.her name is lily.A.must B.ca who is that?it must be Mary.为什么不能用she? Whose notebook is this? It must be Ning s. it has her name o she knew that it must be the baker 为什么不是she knew that it mus That man it must be the son of bitch. It must be admitted that this condition -----better than it This Must be it The book must be ( ) (her),because her name is on it Q:that must be a mistake 为什么回答是NO,it can't be.而不是no,it can't 1.Her voice sounds_____ and I feel _____ that there must be 1.From her clothes,I think that she_____ a doctor A.must be This is the very work that I must finish ____ her.