7.遗憾和同情 What a pity!I'm sorry to hear that.
8.邀请和应答 A:Would you like to … ? B:Yes, I'd love to.
9.提供帮助和应答
A:Can I help you?=What
can I do for you?Here, take this/my bike.
Let me do it for
you.B:Thanks for your help. Yes, please.
No, thanks.
That's very kind of you.