1. I'm going to the village where i was born
2. Nancy who had returned from her business trip two days ago has just phoned us.
3. The film which we saw yesterday was very interesting. (стилистически which здесь лучше не использовать)
4. This is the camera that my parents have presented to me for my birthday (that, опять же, лишнее)
5. Mary is speaking to her cousin whose article was published in the local magazine.