squalid

"The building of the bridge will be completed in a couple of weeks."

"The weather forecast predicted an unpleasant day, with rain and strong winds. "

"My sister is a biologist studying the effects of pollution on local river ecosystems. "

"To separate out the chaff, early cultures tossed baskets of grain into the air and let the wind blow away the lighter chaff."

"He delivers the mail everywhere on this street."

"From this vantage point we can observe the behavior of the animals in their natural habitat."

"The birds had built an amazing structure out of sticks and various discarded items."

"The weather was extremely hot today; we stayed inside all afternoon. "

"All he had to show for four years of attendance at college was a framed piece of paper."

"Cheating on a test is a contemptible act that deserves punishment. "

"After arguing with her parents, Sarah abandoned her plans for the weekend. "

"The school has high academic standards, so students must study hard to succeed. "