问题描述：
we made a model train with sticks.(改同义句)
It's not polite to interrpt.(改同义句）
Moments later,they were free.(改同义句)
The hunter aimed his gun at the poor bird.(改同义句）
What's the weight of the bell.(改同义句）
It's not polite to interrpt.(改同义句）
Moments later,they were free.(改同义句)
The hunter aimed his gun at the poor bird.(改同义句）
What's the weight of the bell.(改同义句）
问题解答：
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