( )是社会主义教育经济学的理论基础，是教育经济学学科确立的基本理论依据。

—I must apologize for ______ ahead of time．

—That's all right．

A．letting you not know

B．not letting you know

C．letting you know not

D．letting not you know

--- I must apologize for ______ the meeting ahead of time.

--- That’s all right.

A.letting you not know

B.not letting you know

C.letting you know not

D.letting not you know

听力原文：M: I'd like to apologize for breaking the window-pane.

W. So it was you! You must be careful!

M: It's the first time I've ever broken a window-pane. I'm really sorry.

W: Well, in that case, don't worry about it.

How does the woman feel at the end of the conversation？

A．Angry.

B．Relieved.

C．Upset.

D．Sarcastic.

I must offer her an ______ for not going to her party．(apologize)

A．A.That’s all right

B．B.No trouble at all

C．C.You are welcome

D．D.All the best

I apologize if I ______ you, but I assure you it was unintentional.

A．offend

B．had offended

C．should have offended

D．might have offended

听歌曲Apologize填空 I'm ______1________ your rope Got me ten feet off the ground I'm hearin what you say but I just can't ______2_________ You tell me that you need me Then you go and _________3_______ but wait You tell me that you're sorry Didn't think I'd ________4________ and say It's too late to apologize it's too late I said it's too late to _____5_______ it's too late I'd take another chance take a fall Take a shot for you And I need you like a heart needs a beat But it's nothin new I loved you with a fire red- Now it's turning blue and you say Sorry like the angel heaven let me think was you But I'm afraid It's too late to apologize it's too late I said it's too late to apologize it's too late It's too late to apologize it's too late I said it's too late to apologize it's too late It's too late to apologize yeah I said it's too late to apologize yeah- it's too late to apologize……too late I said it's too late to apologize ，I said it's too late I said it's too late to apologize，I said it's too late I said it's too late to apologize，too late too late to apologize，too late

— I must apologize for having delayed the job.— ().

A、Pleased to meet you.

B、No, that’s not your fault.

C、I don’t know.

D、Thanks a lot.