flattens

"My friend told me there was something in the box, but I didn't know what it was yet. "

"The piano's white and black keys next to each other usually represent a difference of one semitone. "

"One child stood as king of the hill, and tried to withstand the pushes and shoves of his challengers."

"My sister is very helpful, especially when it comes to organizing things. "

"My family has a different ideal for my future than I do. "

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

"The approach to the school was blocked by a fallen tree. "

"Her kindness is just one of the many positive dimensions of her personality. "

"The scientists repeated the experiment in order to confirm the result."

"As there was a lot of damage, we chose the heavy roller to flatten the pitch."

"My grandmother used a spreadsheet to track the monthly expenses for her household. "

"The teacher complicated the math problem by adding several extra steps. "