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(     ) 1. A. I prefer English.
            B. I agree with you.
            C. I think they're both quite difficult for me.
(     ) 2. A. Yes, it is. 
            B. Yes, they do. 
            C. Yes, they are.
(     ) 3. A. Listen to me carefully.
            B. Please be quick.
            C. Oh, sorry.
(     ) 4. A. No, my English is poor. 
            B. Not at all.
            C. Thank you for your praise.
(     ) 5. A. Certainly. I'll be glad to.
            B. No, I won't.
            C. I'm sorry to hear that.

A. with
B. to
C. than
D. of

A. with    
B. to      
C. than    
D. of