根据汉语提示完成句子。

1. 她正在忙于打扫那幢大房子。

    She was ______ ______ the cleaning of the big house.

2. 这事怎样发生的，谁也不清楚。

    ______ ______ ______ is not clear to anyone.

3. 她被公认为世界上最佳乒乓球选手。

    She is ______ ______ the best table-tennis player in the world.

4. 最初她只是微笑，后来才放声大笑。

    ______ ______ ______ she just smiled, then she started to laugh.

5. 她用卑鄙的手段使他们把所有的钱都移交给她。

    She got them to ______ ______ all their money by a wicked deceit.

6. 着火的一个条件就是材料应加热到燃烧温度。

    One of the requirements for a fire is that the material ______ ______ to its burning temperature.

7. 她用人造的奶油代替黄油。

    She ______ margarine ______ butter.

8. 莫德试探了一下她是否愿意做这个工作。

    Maud sounded her on her willingness to ______ ______ the job.

9. 你说该如何去掉我衣服上的墨渍？

    What would you ______ ______ getting this ink stains off my coat？

10. 人们开始排队进入电影院。

    People began ______ ______ to enter the cinema.