传真机在使用前的准备工作是______、功能设定、选择清晰度和对比度。
参考答案：安装记录纸
请将括号中的单词放在句子中的适当位置。
1. They go to the cinema. (often)
_________________
2. He has lunch at school. (always)
3. I come to school late. (never)
4. My friends play table tennis after school. (usually)
________________
5. She helps her mother with housework. (sometimes)
沃斯的城市性理论
