问题描述：
went back to home ,was back home ,went back to the sea ,was back the sea 的意思
After he was back home ,he opened the bigger one of the two boxes .为什么是was back home,went back to home不可以吗?
After he was back home ,he opened the bigger one of the two boxes .为什么是was back home,went back to home不可以吗?
问题解答：
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