fix the sentence
Sentences from the passage with the capitals and punctuation removed — rewrite each one correctly.


Leo tightened the strap of his backpack as he adjusted his flashlight. The beam cut through the cool, damp air of the basement beneath his aunt’s antique store in downtown St. Louis. Beside him, his friend Maya held a faded paper map that had been tucked inside an old ledger. Above their heads, the muffled rumble of city buses vibrated through the foundation, but down here, a quiet secret waited in the dark.
"Are you sure this leads somewhere?" Maya asked, her voice echoing off the damp brick walls.
"My aunt said these deep basements connect to the old historic cavern systems," Leo explained, shining his light toward a heavy iron door standing slightly ajar. "Back in the nineteenth century, long before electric refrigerators were invented, people used the natural limestone caves beneath St. Louis to keep ice and goods cold. There is a whole subterranean world right underneath our sidewalks!"
Squeezing past the iron door, the kids stepped out of the building's brick cellar and onto a floor of solid rock. The temperature plummeted instantly, and the air smelled faintly of wet minerals and soil. The sound of street traffic vanished completely, replaced by the slow, rhythmic dripping of water somewhere deeper in the cavern.
They stepped carefully along a wide ledge, their flashlights illuminating a grand limestone chamber. Thousands of years ago, underground streams had carved out these massive hollow spaces in the soft rock. Leo pointed his light toward the high, arched ceiling, where tiny mineral formations hung down like icy icicles. On the cavern floor, old wooden crates, iron lantern hooks, and faint wagon tracks remained preserved in the cool darkness, left behind by citizens from over a century ago.
"It’s like an underground city," Maya whispered in awe, sketching the shape of the chamber on her map. "People built a whole second life down here while the city grew up above."
They walked a little further until the passage narrowed near a clear, subterranean creek flowing quietly over smooth gravel. Watching the glowing water ripple in their flashlight beams, Leo felt a sense of wonder. Thousands of people hurried across the busy streets of St. Louis every afternoon, never suspecting that an ancient, silent world was waiting just beneath their shoes. Satisfied with their discovery, Leo and Maya carefully turned back, eager to share their story while keeping the secret map safe for another day.

PicoBuddy read-aloud story
More ways to practice with this passage — every sheet is built from the text itself, answer key included where it counts.
One PDF with a cover, a contents page and every answer key at the back — instead of 4 separate downloads to staple together.
Sentences from the passage with the capitals and punctuation removed — rewrite each one correctly.
Match the passage words to their meanings, then fill the missing words back into real sentences.
Two writing tasks that build on the passage, with plenty of lines to write on.
“The Secret Beneath St. Louis” is a short story reading passage about Subterranean Caves of St. Louis, written for Upper Elementary. It takes about 3 minutes to read (400 words) and comes with an interactive quiz and a printable worksheet with comprehension questions and an answer key.