请教用英语怎么说:你想要吃些香蕉吗?谢谢!

Would you like some bananas?

wanna have bananas?

Would you like more bananas?
不能以Do开头问，习惯用法以委婉的语气询问，Do表达的意思比较僵硬

would you like some banana?

如果是位女士，最好别问。

口语中可以：Bananas？

书面语中可以： Would you like some bananas?