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3. (单选题) ---- Can I help you?
---- ______.(本题1.5分)
A、 Yes, please
B、 Please.
C、 Yes, you can
D、 Yes, as you like.
---- ______.(本题1.5分)
A、 Yes, please
B、 Please.
C、 Yes, you can
D、 Yes, as you like.
参考答案