问题描述：
找出下列句子中的错误并改正 I forgot my watch in my room this mo
找出下列句子中的错误并改正
I forgot my watch in my room this morning.
He was so tired that he fell fast sleep.
找出下列句子中的错误并改正
I forgot my watch in my room this morning.
He was so tired that he fell fast sleep.
问题解答：
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