Fill in the blanks with the words from the box. You may need to change the forms of some words. $\begin{array}{|l|l|l|l|l|l|l|l|l|l|} \hline \textbf{green} & \textbf{plant} & \textbf{shade} & \textbf{oxygen} & \textbf{beauty} & \textbf{from} & \textbf{through} & \textbf{cool} & \textbf{give} & \textbf{reduce} \\ \hline \end{array}$ Trees are (a) — friends of mankind. They (b) — us fruits, wood, and (c) —. They help to (d) — pollution and keep the air fresh. Trees provide (e) — in summer and (f) — the environment. We get wood and fruits (g) — them. They add (h) — to nature. We should (i) — more trees to save the planet. Let us work (j) — tree plantation programs.