nonplus

"The math problem presented a real perplex to the student, leaving him unsure where to even begin. "

"What is your question?"

"My daughter's teacher is very kind and helpful. "

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

"The sudden announcement of a school holiday caused bewilderment among the students. "

"The unexpected announcement of a pop quiz nonplussed the students. "

"The complete survey was handed in to the teacher. "

"He is a student of life."

"The student's face showed her perplexity as she stared at the complicated math problem. "

"The students' high scores on the math test were confounded by the fact that they all had access to the answers beforehand. "

"He covered the baby with a blanket."

"All the different possible options may bewilder us."