用适当的关系代词填空。 1. Last weekend my roommates and I talked about the happy days ___ __________we had in college. 2. Jake used to be a brave boy_____________his teachers always praised. 3. Ann's parents allowed Ann to help John______family was poor. 4. They have got a robot _________ can take care of the old and babies. 5. The place _______interested me most was the Children's Palace . 6. The firefighter rescued those __________ were trapped in the lift. 7. I visited the couple last week___________daughter is studying in the United States. 8. It is the most interesting story_________ I have ever read. 9. There are many things__________ I need to buy before the trip to France. 10. Martin didn't buy the new cellphone ________ price was too high for him.