Complete the following text with suitable verbs in the box with their right forms. $\begin{array}{|l|l|l|l|l|} \hline \textbf{come} & \textbf{climb} & \textbf{think} & \textbf{walk} & \textbf{be} \\ \hline \end{array}$ Once there were two friends. One day, they were (a) — through a forest. Suddenly a bear (b) — out of the forest. One of the friends (c) — up a tree. The other friend did not know how to climb up a tree. He lay down on the ground as if he (d) — dead. The bear came and put his nose on the face of the man. He (e) — him to be dead and went away.