用所给单词的适当形式填空。 1. _____ (eat) healthily is important for everyone. 2. She always does her best ___ (study) every subject at school. 3. He wants to have a ___ (health) life. 4. The boy used to behave ___ _ (bad) in class. 5. When he saw a book on the ground, he stopped _ ___ (pick) it up. |