Mrs.Lee will move to the new house next Mondy,by which time it will be completely finishen.为什么用by which time 而不用by that time?

Mrs.Lee will move to the new house next Mondy,by which time it will be completely finishen.为什么用by which time 而不用by that time? Mrs. Lee will move into her new house next Monday, ____________it will be completely furnished.A. by that timeB. by the timeC. by which timeD. by some time Please help to solve this question:When Mrs Lee was 44 years old,her son was twice her daughter'sWhen Mrs Lee was 44 years old,her son was twice her daughter's age.Mrs Lee will be twice he son's age when her daughter is 26 years old.How old will Mrs Please help to solve this question:When Mrs Lee was 44 years old,her son was twice her daughter's age.Mrs Lee will be twice he son's age when her daughter is 26 years old.How old will Mrs Lee be when her daughter is 20 years old.working please. How to solve this question?When Mrs Lee was 44 years old,her son was twice her daughter's age.Mrs Lee will be twice he son's age when her daughter is 26 years old.How old will Mrs Lee be when her daughter is 20 years old MRS LEE!是什么意思? 这是一段听力里的句子,上下文是：(Mrs.Lee makes a telephone call to Andy's mother,Mrs.Cho.)Mrs.Lee:Hello,may I please speak with Mrs.Cho?Mrs.Cho:This is she.May I ask who is calling?Mrs.Lee:Yes,it's Mrs.Lee,Michael's mother.Mrs.Cho:Oh,He mrs.lee likes to travel from one country to 后面填another 还是the other Mrs.Lee likes to travel from one country to ____?A.other B.the other C.another Mr.and Mrs.Lee ()wonderful dancers. Mrs green is going to _______（move）here next yea i will move to where i want to 智力阅读 ：What Date The Greens will move to a new house in another city.They decide to go on 29th of May.But they each have something important to do.They have to shart to go on different dates.Mr.Green will go two days later and Mrs Green will I think i will probably move to somewhere quieter.为什么不用move to呢打错了，句子是move He will move to Beijing in three weeks.__ ___ ___ he move to Beijing? who will mrs white give a birthday party to? 改错 Will you please to move the book for me? She will move to Beijing改成反义问句