1. The movie, who/ which/ that/ whose plot is confusing, won an award.
2. The scientist, who/ which/ that/ whose research has advanced the field, is presenting at the conference.
3. The car, who/ which/ that/ whose engine failed, is parked outside my house.
4. The teacher, who/ which/ that/ whose explanations are always clear, is my favorite.
5. I saw a girl who/ which/ that/ whose car had broken down in front of the shop.
6. Mr Richards, who/ that / which / whose is a taxi driver, lives on the corner.
7. Thank you for your email who / that / which/ whose was very interesting.
8. The phone, who / which / that / whose screen is broken, is mine.
9. Marlena is a girl who/which/whose/ hobby is listening to music.
10. The cat, who/ which/ that/ whose has been missing for days, belongs to the Smiths.