Complete the following text with suitable verbs in the box with their right forms. $\begin{array}{|l|l|l|l|l|} \hline \textbf{hold} & \textbf{be} & \textbf{sit} & \textbf{build} & \textbf{remove} \\ \hline \end{array}$ A teacher (a) — an architect of a nation. He plays an important role in (b) — up an educated nation. He (c) — the darkness of ignorance of a nation. He is an orator while speaking. He is able to (d) — the attention of his students. He does not (e) — motionless before his class. He also makes his lessons interesting.