In some of these sentences you don’t need who or that. If you don’t need these words, put them in brackets like this: (who), (that). 1. The woman who lives next door is a doctor. (“who” is necessary in this sentence) 2. Have you found the keys (that) you lost. (in this sentence you don’t need “that”) 3. The people who we met at the party were very friendly. 4. The people who work in the office are very friendly. 5. The people who I talked to were very friendly. 6. What have you done with the money that I gave you? 7. What happened to the money that was on the table? Did you take it? 8. It was an awful experience. It was the worst thing that has ever happened to me.