Thank you very much. Here's $10.00. Give me $1.00 back, please.

太谢谢你了。这是10美元，找我1美元就行了。

I really feel bad about it. Let me buy you a new one.

我真为这件事感到遗憾。我给你买一本新的吧。

I thought about going to my sister's. How about you?

我想去姐姐家玩，你呢？

Would you mind if I opened the window?

我开窗，可以吗？

I asked you if you wanted some help.

我是问你是否需要帮忙。

Thank you very much.

太谢谢你了。