阅读下面一篇短文，理解大意，从所给的四个选项中选出一个最佳答案，使短文连贯完整。
When I was a little girl, I used to do cleaning with my mother every year. This makes me _________ a habit of cleaning the house every April.
Cleaning the living room is easy. Just turn on the vacuum cleaner(真空吸尘器). The hardest _________ is to clean my desk. I have no feelings for the old clothes that I _________ every year, but books are different. I don’t want to lose them, for they are the most _________ in my life.
_________ I try my best not to buy more paper books, my desk is always fill of them by the end of the year. This means that I will have a lot of cleaning _________ to do in order to make my desk tidier.
I used to _________ all my books on the desk so that I could find them the next time. As the books became more and more, not only the books I bought, but also the books I _________ from the library were piled up (被堆积). So I came up with an idea, which was to buy a bookcase and put a piece of paper _________ each layer (层). Then the books would not get __________. The next time I clean, just change the paper.
11. | A．remember | B．want | C．develop | D．forget |
12. | A．part | B．way | C．situation | D．question |
13. 14. | A．boring | B．traditional | C．meaningless | D．important |
15. | A．When | B．Although | C．Because | D．If |
16. | A．action | B．work | C．sport | D．video |
17. | A．put | B．choose | C．cover | D．hang |
18. | A．found | B．knew | C．borrowed | D．sent |
19. 20. | A．dirty | B．broken | C．wet | D．old |
