三、书面表达
请根据以下要点提示，写一篇句意连贯的小故事。
要点:1. 我妈妈和住在隔壁的年轻人相处得不好。他看起来很不友好。
2. 一天,妈妈回到家,发现她的项链不见了。
3. 我们决定立刻报警。
4. 突然有人敲门,原来是隔壁的年轻人。
5. 他手里拿着项链,说他在门口发现的。
6. 我们很感激他,并愿意和他成为朋友。
要求:请尽量使用宾语从句和定语从句等复合句。可适当发挥想象,词数不少于90。
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My mother didn't get along well with the young man who lived next door because he
; looked unfriendly. One day, when my mother came home, she found that her necklace
; was missing. We decided that we would call the police immediately. Suddenly,
; someone knocked at the door, and it turned out to be the young man next door. He
; was holding the necklace in his hand and said that he had found it at the door. We
; were very grateful to him and expressed that we were willing to make friends with him.