right

"The perpendicular to the wall supported the shelf. "

"The teacher praised the student for the correctness of their answer. "

"The design of his house incorporates a spiral staircase."

"I hope we can begin immediately."

"The teacher will appropriate the new lesson plan to the students' current level of understanding. "

"There is a possibility that the school will have a field trip next week. "

"In the school board meeting, the conservatives argued against changing the traditional curriculum. "

"The conservative on the school board wants to keep the current rules and regulations without changes. "

"His decisiveness was evident in the way he quickly chose his college major. "

"to designate the boundaries of a country"

"My grandfather helped me with my math homework. "

"She emphatically denied stealing the cookie, shaking her head and raising her voice. "