Be careful.
举一反三
- You’d better be careful.
- When _______the street, you must be careful.
- That driver is ______ than this driver. A: careful B: less careful C: least careful D: most careful
- Who is ____ , Tom, Mike or Jack? A: careful B: more careful C: very careful D: the most careful
- _____ when dealing with those chemicals. A: To be more careful B: Do be careful C: Be do careful D: Do to be careful