三、克漏字選擇：請依據選文，選出一個正確或最佳的答案：5% (每題一分)
         Did you ever hear of Earth Day? Gaylord Nelson, a native American, founded Earth Day on April 22nd. At first, he was    1.  about the destroyed environment. There were    2.     fish and animals sick from dirty air and water. Even many of them died. Then he planned to do something, so he started it. On the first Earth Day, there were about   3.   Americans celebrating it in 1970.
         Now, Earth Day has become an important day in many countries around the world. So, on this special day, we can do a lot of things； for example, we can pick up the trash, sort and recycle the garbage, or we can use   4.      electricity and water. It’s also a good idea to plant trees. They can help clean the air. Taking public transportation or riding bikes can help keep the air clean, too.   5.   of all, we should do our best to protect the beautiful planet because we have only one Earth.
 * destroyed被破壞的 environment環境 electricity電 transportation運輸系統 protect保護
【題組】1.
(A) worry
(B) worried
(C) excited
(D) surprise