--What's happened to my library books? --_______ __ _______ _.

A：Yes, I like basketball a lot

B：It's far too crowded

C：Yes, I'm crazy about it

D：Oh, it's funny

A：Happy birthday

B：Merry Christmas

C：Congratulations

D：Have a good day

A：We are sorry to hear that

B：I'm glad to hear that

C：I'm satisfied to hear that

D：I'm surprised to hear that

A：What do you want

B：What would you like to do

C：Can I help you

D：Where are you going

A：Yes, I think so

B：No, thanks

C：Yes, I'd love to

D：I'm afraid not

A：I hope it won't happen again.

B：I accept your apology.

C：You should be very sorry. Never mind.

D：It could happen to anyone.

A：No, I still have a few.

B：No, I still have a little.

C：Yes, I have some.

D：Yes, I have many.

A：Fine, thank you.

B：How do you do?

C：Not too bad.

D：Very well.

A：Fine, thank you.

B：How do you do?

C：Not too bad.

D：Very well.

A：Not at all.

B：Sure, go ahead.

C：Why not?

D：Yes, I would.