一、单项选择填空 (30分)
1. The river is very . It’s too dangerous to swim in it alone.
A. deep B. correct C. energetic
2. —People should keep quiet in a public place such as in a library.
— It’s a common public rule.
A. I agree. B. I disagree. C. I don’t think so.
3. He doesn’t do his homework . So he always makes some mistakes.
A. careful enough B. carefully enough C. enough carefully