（共5小题，每小题1分，满分5分）
根据对话情景和内容，从对话后方框所给的选项中选出能填入每一空白处的最佳选项，并将答案的标号（A、B、C、D、E、F或G）写在第II卷指定的横线上。选项中有两个为多余选项。
(Mike is picking up the phone when Alice enters.)
Alice: Are you phoning Linda?
Mike: Yes. But how do you know?
Alice:   56 
Mike: What did they say?
Alice:  57 
Mike: What happened?
Alice:  58  She had to go and take his place for three days.
Mike: That’s too bad.
Alice:  59 
Mike: You see, I had planned for us to have dinner with a friend tonight.
Alice:  60
Mike: Sure, why not?

A．Isn’t she your girlfriend? B．They said she had left for London. C．What’s the problem? D．Her office left a message for you. E．Why not invite me, then? F．They said they had phoned Linda. G．The manager at their office had suddenly fallen ill.