Exercises for Unit One
一. 用所学的单词填空:
1. People think that dogs are very _______ to their masters.
2. The boy is very young, but he was so _______ that he jumped into the river and saved the girl.
3. The man is so ________ that he can lift the huge stone.
4. An ________ man is someone who often tells the truth.
5. His brother is very _________. He usually makes us laugh.
6. He is a ______ man and he has a good knowledge.
