如何使用 "speak" 造句

1. You do not speak here !
你没有权利在这里说话!
2. I cannot speak for france .
我不可能代表法国说话。
3. Its results speak for themselves .
预测的结果自己会说话。
4. What language does he speak ?
他会用哪种语言说话?
5. They speak english and french in canada .
他们在加拿大讲英语和法语。