11. Could you help me? 你能帮助我吗?

12. Would you please do me a favor? 能帮我个忙吗？

13. Would you please give me a hand? 帮我个忙好吗?

14. What can I do for you? 您需要什么帮助?

15. Can（May）I help you? 我可以帮你吗？

16. Let me help you. 我来帮助你。

17. It's very kind of you! 你真是太好啦!