问题描述：
The sounds (very dangerous)对括号里的进行提问.---- ---- that sound?
we should help each other.(改为同义句）
It's--- --- --- --- --- each other.
The boy is a topo student in our class.He is thirteen ,(改为同义句）
The --- --- is a top sudent in our class
we should help each other.(改为同义句）
It's--- --- --- --- --- each other.
The boy is a topo student in our class.He is thirteen ,(改为同义句）
The --- --- is a top sudent in our class
问题解答：
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