新概念第二册52课摘要写作问题

Has the writer been trying to get his new room in order all morning or not?
1.The writer has been trying to get his new room in order all morning.
Why has this prove difficult?Do they cover every inch of floor space at the moment or not?(because...which)
2.This has proved difficult,because the writer own over a thousand books which cover every inch of floor space at the moment.
What did his sister help him to do a short while ago?
3.His sister helped him to carry one of his old bookcases up the stairs.
Did she get a surprise when she saw his room or not?Did she think that the books made a pretty carpet,or did she find the room untidy?(but)
4.She got a surprise when she saw his room,but she thought that the books made a pretty carpet.

可，你太棒了，我佩服啊