I. 单项选择。 

从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
(   )1. —Thank you very much.
          —______.
        A. You’re all right  B. All right
        C. That’s all right      D. That’s right
(   )2. —Your backpack is very nice.
          —______
        A. Yes, you’re right.  B. Don’t say like that.
        C. Thank you.   D. Where is the backpack?
(   )3. —Let’s play tennis. Do you have a tennis racket?
          —______
         A. Sorry, I don’t like. B. Sorry, I don’t.
         C. Yes, I like playing tennis.   D. Do you think so?
(   )4. —Happy New Year!
         —______
         A. Thank you.         B. The same to you.
         C. Congratulations!       D. That’s all right.