192. The boy and the dog have just been found by the police. They were lost in a forest during a camping trip. (that) → ______________________________________________________________ 193. The music sounds strange to us. We are listening to it. (which) → ______________________________________________________________ 194. There are 30 students. They come from poor families. (who) → There are _____________________________________________________________ 195. My brother is very kind to everyone. You met his wife last week. (whose) → My brother____________________________________________________________ 196. No one has paid the bill. → ______________________________________________________________ 197. Our teachers have explained the English grammar. → ______________________________________________________________ 198. The students have discussed the pollution problems since last week. → ______________________________________________________________ 199. Has your friend read the materials yet? → ______________________________________________________________ 200. Have you finished the above sentences? → ______________________________________________________________