drainage

"After the heavy rain, the river was flooding the nearby town. "

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

"The children played tag on the schoolyard during recess. "

"After the rain, there were many puddles on the sidewalk. "

"The new student was a natural from Japan. "

"The flowers were artificial, and he thought them rather tacky."

"The removal of the old, broken chair was necessary before the new one could be installed. "

"The student's excellent performance on the math test showed they had surpassed their previous scores. "

"The lightning caused thunder."

"I brush my teeth regularly to prevent them from turning yellow."

"There are eight planets in the solar system."

"The clogged sink drained slowly."