If someone says: "How are you?", you can say: "I'm good."

When someone says: "I’m sorry to hear that.", you may say______.

A、OK
B、Thank you.
C、You really don’t know.

If someone says "Thank you", you say: "You're _____."

If you partly agree with someone, you can say "I agree with you in part, but..." ( )

If you don’t hear someone’s name very well.