帮我检查一下这三道英语改错题

问题描述:

帮我检查一下这三道英语改错题
1.Go to the airport and check your luggages (改luggages为 baggage)
2.He spent much time write his story.(改write为writing)
3.The key to his bedroom found in his own pocket yesterday.(found 前加was)

改的正确
luggage为单形集合名词
writing表示spent的伴随动作,须用分词
was found表被动