据下列句子及所给汉语注释，在答题卡的横线上，写出空缺处各单词的正确形式。（每空只写一词）

1. He have mended the woodwork and ______(油漆) the walls.

2. Can you i_____ what it would be like to live without electricity?

3. The rain was b______ against the windows.

4. His _______(秘书) says he's still out at lunch.

5. He's often here, but ______(奇怪) enough, I've never met him.

6. This is one of Bach's later ______ (作品).

7. The daughter of my sister is my n______.

8. My nose is ______(堵塞) because of a heavy cold.

9. They crossed the English Channel in a hot-air ______(气球).

10. I would like a room with a ______(双人的) bed.

在其它因素不变的条件下，如果商品价格总额增加1倍，则流通中的货币需要量将会（）。

A、增加2倍

B、增加1倍

C、减少1倍

D、不变