改错题：i think there must be another man talks with john at pre

i think there must be another man talks with John at present There must be something wrong with the computer,I think .—I think the man over there must be Bob. -- It_______ be hi 2.Tom:I think there must be something wrong with my throat. 30.I think Li Lei must ___________(be) at school. I think he must be at home now变反意疑问句 When I saw a story book,I think it must be John 's I think the man over there may be ____(help). I will think it must be John's.这句话对嘛?. This world,there must be another me,doing the things I can n 4.There is another thing you must remember it.改错. The young man talking with the headmaster over there must be