题目内容
—Is there a watermelon on the table?
—________
A. Yes, there is. B. Yes, it is.
C. No, there is. D. No, it isn't.
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题目内容
—Is there a watermelon on the table?
—________
A. Yes, there is. B. Yes, it is.
C. No, there is. D. No, it isn't.