1. 根据句意，从方框中选择恰当的单词填空，有的需要变换形式。

usual，perfect，collect，camera，rapid

1. （1） They aremoney for the homeless．
3. （2） With the development of science and technology, people's life had a .change．
5. （3） We can use theseto take photos in sunny or cloudy conditions．
7. （4） It's for Sue to get so angry．She's always smiling．
9. （5） Bob is interested in Chinese and he speaksChinese．