问题描述：
根据例句完成句子.例：I went on holiday alone.I went on holiday by myself.
1.Don't go out alone.
Don't____________.
2.I went to the cinema alone.
I___________________.
3.Many people go there alone.
Many people _________.
4.We clean the classroom alone.
1.Don't go out alone.
Don't____________.
2.I went to the cinema alone.
I___________________.
3.Many people go there alone.
Many people _________.
4.We clean the classroom alone.
问题解答：
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