Find the odd word in each line. 1)a hospital, a library, a Metro-station, an office...

Question

Find the odd word in each line.
1)a hospital, a library, a Metro-station, an office
2)traffic lights, University, a zebra-crossing, a bus stop
3) the gallery,the museum, the library , the sport centre

Answer 1

1 a metro station

2 university

3 sport centre