In this part, there are ten short incomplete dialogues between two speakers, each followed by four choices marked ,B,C and D. Choose the one that most appropriately suits the conversational context and best completes the dialogue. Mark your answer on the ANSWER SHEET with a single line through the center.

　　41 A:I've called you a hundred times today.

　　B: ________ I was busy.

　　A. Sorry about that. B. Sounds fine.

　　C. I appreciate that. D. That's all right.

　　42.A: I thought you were working until 6:30.

　　B: ___________， but we finished our meeting at 5:30 and were let go.

　　A. I tried to B. I was supposed to

　　C. I hoped so D.I 'd love to

　　43 . A:Are you ready for the test tomorrow?

　　B: __________

　　A: Come on. I am sure you will do well.

　　A. Why do you ask? B. Sure， no problem.

　　C. What about you? D. No. I'm afraid not.

　　44. A:That necklace looks really lovely on you.

　　B: __________

　　A. It cost me a fortune.

　　C. It will be nice on you too.

　　B. It's very nice of you.

　　D. I hope you like it.

　　45. A: This is like the coolest CD I've ever heard.

　　B:_________I'm trying to concentrate on my work.

　　A. Cut it short. B. Keep it down.

　　C. Turn it over. D. Bring it up.

　　46. A: I need to get this done by noon. Can you give me a hand?

　　B: ____________

　　A.I can give you both hands

　　B. I'll watch your back.

　　C. I'm all yours

　　D. The pleasure is mine.

　　47. A: Good morning. I'd like to book a table for two for 8:30 on Friday， please.

　　B: ____________

　　A. Yes， speaking. B. Hold the line.

　　C. Your name， please? D. After a while.

　　48. A:It's Janet Smith. _________

　　B: Yes，I'd like to have some information about having a phone installed.

　　A. Who's that? B. What's wrong?

　　C. What's up? D. May I help you?

　　49.Shop assistant: What do you have in mind?

　　Customer :I'm thinking about jewelry or something valuable.

　　Shop assistant: We've got beautiful jewelry here. If you're interested，

　　A. I can show you B. you can see it

　　C. I'll get it D. you should buy it

　　50. A: I like this apartment very much， but I'll come back this evening with my wife

　　and kids. Will that be convenient?

　　B: ________

　　A. It's good for you. B. That's fine with me.

　　C. It's thoughtful of you. D. That's right.