what

"His assumption of secretarial duties was timely."

"The coordinate of the house on the street map was 12B. "

"His testimony contradicts hers."

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

"The building's design specification clearly outlines the required materials for the walls. "

"This flow chart represents the assignment of tasks in our committee."

"My sister's joyful expression showed how happy she was about the good news. "

"The circumstance of the heavy rain delayed the school bus. "

""The teacher was an excellent interlocutor, guiding the students through a productive discussion about the book." "

"The interrogative "who" is often used in classroom discussions to encourage student participation. "

"The heavy box underlying the lighter one caused the whole stack to wobble. "

"The spicy chili powder was the intensifier in the recipe, making the soup much hotter. "