ceiling

"My sister is painting her bedroom walls a cheerful yellow. "

"You must do your homework before you can watch television."

"The children were excited to go to their classroom in the morning. "

"The police identified the thief using security camera footage. "

"The poor visibility made it hard to see the road clearly during the heavy fog. "

"The bakery's overhead costs, like rent and utilities, are high, which affects the price of the bread. "

"My friends are always there to maintain my confidence when I'm struggling with my studies. "

"The measurement of the room's length was important for ordering new furniture. "

"As the altitude increases, the temperature gets lower, so remember to bring warm clothes to the mountains."

"The contractor is building a new addition to the school library. "

"The aircraft flew over the school playground during the morning assembly. "

"The library has unlimited access to books online. "