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Is Dave your good friend?

________.

[　　]

A．No, she isn't

B．Yes, it is

C．Yes, he is

單項選擇

--Is he your friend?

-- ________.

[　　]

單項選擇

--Is he your friend?

-- ________.

[　　]

—Is Emma your friend?

—_________

A. Yes, he is.          B. No, he isn't.                     C. Yes, it is.           D. Yes, she is.