請根據(jù)圖畫場景和各題提示詞及標點創(chuàng)寫語法正確、符合語境的完整句子。（每題限寫一個句子，提示詞以外詞語不超過三個，縮寫算一個單詞。）

（1）boy，Li Hua The boy is Li Hua The boy is Li Hua . （2）What，he，doing What is he doing What is he doing ？ （3）he，plant，trees，in the park He is planting trees in the park He is planting trees in the park . （4）he，want，make，earth，greener He wants to make the earth greener He wants to make the earth greener . （5）he，think，important，protect，environment He thinks it's important to protect the environment He thinks it's important to protect the environment .