[简答题]I’m sorry I don’t know.
I’m sorry I have ______ .

[填空题]I’m sorry I don’t know.
I’m sorry I have ______ ______.

[填空题]I’m sorry I’m late, and I have kept you (wait) ______ for such a long time.

[填空题]I’m sorry I’m late, and I have kept you (wait)（）for such a long time.

[单项选择]—Sorry, I can’t go camping with you. I have to prepare well enough for the entrance exam.
—______! We can camp together next time.
A. Don’t say so
B. Congratulations
C. Good luck
D. No problem

[单项选择]I'm tired out. I（）all afternoon and I don't seem to have finished anything.
A. shopped
B. have shopped
C. had shopped
D. have been shopping

[单项选择]

[听力原文]
M: I am sorry. I have to leave a bit early. I have an important appointment with my doctor.
W: That’s fine with me. But you’d better tell the manager.

What is the possible relationship between the two speakers（）
A. Teacher and student.
B. Doctor and patient.
C. Coworkers in an office.
D. Manager and employee.

[单项选择]I’m sorry to have taken your bag by mistake（）
A. Nothing serious.
B. That’s right.
C. That’s all right.
D. You’re welcome.

[单项选择]A: I’’m terribly sorry, Professor. Could I have an extra day or two for the assignment My computer broke down last night. B:_____
A. You don’t have to apologize.
B. I accept your apology.
C. You may only have one.
D. Sorry to hear that.

[单项选择]

M: Sorry, I’m late, Mary. Have you been waiting long
W: Oh, no. I’ve been here a minute or two. I’ve been looking at the menu.

Where does the conversation probably take place （　）
A. At a restaurant.
B. At a market.
C. At a cinema.
D. At an exhibition.

[单项选择]I’m very sorry to have（　）you with so many questions on such an occasion.
A. interfered
B. offended
C. impressed
D. bothered

[单项选择]I’m very sorry to have （） you with so many questions on such an occasion.
A. interfered
B. offended
C. impressed
D. bothered

[单项选择][A] I’m sorry. I don’t know.
[B] I’m still thinking about it.
[C] I’m glad about it.

[填空题]I don’t often lose things and I’m especially careful with money, so 1 was quite surprised when I reached for my wallet and it wasn’t there. At first, I thought it was possible that I could have left it at home. Then I remembered taking it out to pay for the taxi, so I knew I had it with me just before I walked into the restaurant. I wondered if it was possible that it could have slipped out of my pocket while I was eating dinner. Thinking a bout that possibility, I turned and walked back to the table where I had been sitting. Un fortunately, there were several people sitting at the table at the time, so I called a waiter and explained to him that my wallet had fallen out of my pocket while I was sitting at the table a few minutes earlier. I had the waiter go over to the table to see if my wallet was on the floor. While the waiter was looking for it, the manager of the restaurant came up to me and asked me if anything was wrong. I didn’t want to get a lot of people involved in the probl