intercalates

"My keys are somewhere in the house. "

"He is a student of life."

"The team practiced their dance routine until their movements achieved perfect synchrony. "

"The three principal calendars are the Gregorian, Jewish, and Islamic calendars."

"The scientist carefully examined the substance to determine its chemical composition. "

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

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

"in verse 74, the second line is clearly interpolated"

"February has 28 days, except in leap years when it has 29."

"I remember my grandmother's smile; it's a clear image in my mind. "

"Hydrogen chloride is a diatomic molecule, consisting of a hydrogen atom and a chlorine atom."

"The colorful autumn leaves falling from the trees are beautiful phenomena. "