Metres and centimetres. Or feet and inches. Then square any measurements to find the area.
That would be square yards or square metres.
I would measure it in maters
Yes
Millimetres
Millimeters.
gram
The length of the driveway would be measured in metres (meters) the area of the driveway would be measured in square metres, m2
What measure of units would you use to measure the thickness of a phone book
Kilograms.
I would measure it in maters
Surface area
Yes
There are no "following" units, but I would use metres.
Ounces
Probably meters
Millimetres
Feet and inches
I would suggest centimeters but lots of people use inches.