Can you help clean the window?（）

单项选择题Can you go to the concert with us this evening？（）

A.No, I already have plans.
B.I'd love to, but I'm busy tonight.  
C.No, I really don't like being with you. 
D.I'm ill, so I shouldn't go out.

单项选择题Can I speak to Mr. Tang, please?（）

A.Who are you?
B.I'm Wang.
C.Speaking.
D.Are you John?

单项选择题Can I help you?（）

A.OK, I'll take it
B.That's good
C.Yes, I'd like a sweater
D.It's too dear

单项选择题Can I help you, sir?（）

A.No, I don't need your help.
B.Yes. I'd like to withdraw some money
C.Well, leave me alone.
D.Don't bother me! 

单项选择题Can I help you with the baggage? （）

A.No, no. I can help it myself.
B.Thank you.
C.Sorry, you can't.
D.No, I don't need you. 

单项选择题Can I have a look at your letter, please?（）

A.Excuse me, you can't
B.I'm afraid you can't 
C.I can't agree with you
D.Yes, thank you

单项选择题Can I get you a drink?（）But I have already got one

A.That's very nice of you
B.No, you don't have to
C.Yes, please 
D.With pleasure

单项选择题Can I get you a cup of tea?（）

A.That's very kind of you
B.With pleasure 
C.You can, please
D.Thank you for the tea

单项选择题Can I borrow your digital camera for a couple of days?（）

A.Yes, you may not borrow.
B.Yes, go on. 
C.Sure, here you are. Enjoy your journey.
D.It doesn't matter

单项选择题Can I ask you a few questions? （）

A.What do you do?
B.It's a good idea.
C.No, thanks.    
D.Certainly.