如何理解这句话："She must have tried to come back to them and got lo

如何理解这句话："She must have tried to come back to them and got lo must,have to,have got 情态动词：She must have gone back to the vally. Anyway I have waiting for you to come back until I do not lo I have to ()and take them. Aback B go back come and have something to drink这句话前面come and have something Want to come back and 英语翻译UNIT GOALS-\x09Use must,have to,and have got to to show I have come to say goodbye(to you).这句话中的have come to 怎么去理解?是 You must( )us to have a good rest before you come back to wo 怎么理解这句话He tried to calm himself,forcing. I went back to bed and tried to ( )