Over the last 30 years, we have made substantial progress towards improved environmental quality under the Clean Air Act.
The Clean Air Act has made progress over the past three decades.
After 3 years they saw no progress.
Some people live and work in the U.S., but visit their families daily.
Letters and numbers typed on a keyboard can become computer programs.
There is a dog running.
A lady cooking food outdoors.
The castle may have been built in the Roman, or Carthaginian times.
a young lady eating cheerios