Question

10. He had spent his childhood in Oslo so he knew the city well.(Participial Phrases)  ___________________________________________________________________________________ .

Answer 1

 Having spent his childhood in Oslo, he knew the city well.

Answer 2

Having spent his childhood in Oslo, he knew the city well.

Answer 3

He had spent his childhood in Oslo so he knew the city well.
➜ Having spent his childhood in Oslo, he knew the city well.