改成了定语从句
问题补充：
1 we want to look for a place where no cars are parked on the streets.
2 He lives in the house which/that was once a village post office.
3 In 2005 we moved to boston where my grandpatents lived.
4 She asked me to put my books in her office where I could find them quickly and easily
5 They showed us the place where they once lived and worked
或They showed us the place which/that they once lived and worked in