unfathomable

"Light penetrates darkness."

"My teacher explained the new math concept, and I understood it perfectly. "

"He seems to be ill.   Her eyes seem blue.   It seems like it is going to rain later.   How did she seem to you?"

"Please completely fill in the box for your answer, using a number 2 pencil."

"This species of snake will only attack humans if it feels threatened."

"Despite his best efforts, the project remained beyond his fathom, leaving him frustrated. "

"Many students invite their parents to school events. "

"The toddler wobbled across the living room, giggling as she tried to reach her toys. "

"Zero, one, −1, 2.5, and pi are all numbers."

"The impossible of finishing the project by Friday became a reality when everyone worked late. "

"Baby Shawn threw a tantrum when he was told the bicycle was not his."

"The complicated instructions on the new software difficult me from completing the project on time. "