One cannot be too careful, ______
A: can one
B: can he
C: can she
D: can they
A: can one
B: can he
C: can she
D: can they
举一反三
- No unfit actually faced with water scarcity ____ appreciate the value of water to a region. A: one can B: one cannot C: can one D: cannot one
- In no country other than Britain, it has been said, （） experience four seasons in the course of a single day. A: one cannot B: one can C: cannot one D: can one
- Only by diligence and honesty __________________. A: one can succeed in life B: can one succeed in life C: one can be succeed in life D: can one be succeed in life
- One ________ be struck by the enthusiasm he displayed in his work; no one can match him in terms of commitment and devotion. A: cannot help B: cannot choose but to C: cannot but D: cannot
- She ______ swim now, but she ______ swim one year ago. A: can; could B: could; could C: could; can D: can; couldn't