1.
Davy/ Great Britain./ he/ English.
Davy is from Great Britain. He speaks English.
2.
Carlo and Bruce/ Germany./ they/ German.
Carlo and Bruce are from Germany. They speak German.
3.
Luca's parents/ Italy./ they/ Italian.
Luca's parents are from Italy. They speak Italian
4.
Laura/ Canada./ she/ English and French.
Laura is from Canada. She speaks English and French.