快!十分钟内有答案!
问题描述：
快!十分钟内有答案!
I am a new student.(改成否定句）
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Those are watermelons.(对划线部分提问）
---------------------are those?
There are some toy trains on the table.(对划线部分提问）
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答
I am not a new student.
What are those?
What's on the table?