Aesop couldn't answer the question before he knew how fast the traveller could walk.
A. Right.
B. Wrong.
C. Doesn't say.
Tom writes as ______ as her sister.
A. carefully
B. more carefully
C. careful
English is ______ used working language in the United Nations.
A. much
B. more
C. the most
The servant who carried food was a ______ man.
A. kind
B. foolish
C. clever