Question

Mr.Smith warned his daughter ______ after drinking.

1. A.
   to never drive
2. B.
   never driving
3. C.
   never to drive
4. D.
   never drive

Answer 1

C
考察不定式的否定式。Warn sb to do sth警告某人做某事；不定式的否定是在不定式符号to前面加否定词，故C正确。