填空题 Jessie: Mike, I've got a problem.
Mike: (51)
Jessie: I've bought a big sofa. But I can't move it up.
Mike: You certainly can't do it by yourself.
Jessie: Do you think you can help me?
Mike: (52) . But where do you want it moved, Jessie?
Jessie: (53)
Mike: No, of course not. But why do you want it upstairs?
Jessie: I have a sitting room upstairs and I want to set it on the corner. Mike, will you take the front end?
Mike: (54) . But wouldn't it be better if you went first? You know where you're going. I'll hold the back end and it's heavier.
Jessie: (55) , Mike. Let's go.