A gold setting is (expensiver, more expensive) than a silver one.

California had one of the (most famous, famousest) gold rushes in history.

Gold is one of the (popularest, most popular) materials for jewelry making.

Wiping with a soft cloth is the (most good, best) way to clean gold jewelry.

Jan and I panned for gold, and I found a (largest, larger) nugget than she did.

Gold is one of the (most valuable, valuablest) ores in the world.

The process of shaping gold is ______ than shaping silver.

Getting rich as a prospector is ____ than getting rich in real estate.

The woman selected the _____ gold ring in the store.

South Africa has the ______ gold mining areas in the world.

Denim is __________ than silk.

My aunt has the ______ gold and diamond ring I've ever seen.

Only copper and silver are ______ conductors of electricity than gold.

Gold is not the __________ metal in the world.

Ancient gold coins are __________ than ancient copper coins.

Satellite technology has been used to find the ________ gold reserves in the world.