介绍自然景物的简单句型 — 英语填空题
题目
选择合适的单词补全句子，每词限用一次：mountain / lake / river / tree / sky。1. Look! The ___ is blue. There are many white clouds in it. 2. The ___ is very high. Let's climb it. 3. There are many fish in the ___. 4. The ___ is green. It has long leaves. 5. The ___ is big and beautiful. We can see ducks on it.