Preposition/linking word qus.

Help me answer these questions by putting preposition or linking word.

Macau has always been an important gateway _____ China.
The historic centre of Macau is a living representation ____ the city's history.
Macau was settled _____ Portuguese navigators in the mid 16th century.
In China, the dragon boat festival remembers Chiu Yuan, ____ committed suicide
by jumping into a river.
Macau is a territory with much more ____ gambling.
There are historical sites, beautiful beaches, lovely restaurants and don't forget ____
wo lovely new giant pandas!