Rearrange the words to make correct sentences

Rearrange the words to make correct sentences.
1.school / go / your / do / to / how / students / country / in?
2.work / to / city / your / in / how / people / do / travel ?
3.there / post office / front / your school / in / is / of / a ?
4.There / beautiful garden / left / Ba's house / a / to / is / the / of.