A:Let me open the door for you.
B:thank you .
A:Let me turn on the light for you.
B:That's very kind of you.
A:Let me take it to Kate.
B:It's very kind of you.
A:Let's go home,shall me?
B:Great!It's a good idea.
A:Let me open the door for you.
B:thank you .
A:Let me turn on the light for you.
B:That's very kind of you.
A:Let me take it to Kate.
B:It's very kind of you.
A:Let's go home,shall me?
B:Great!It's a good idea.