Question

--- You’d better           because you have to drive back home.
--- OK.

1. A.
   not drinking
2. B.
   not to drink
3. C.
   not drink
4. D.
   don’t drink

Answer 1

C
本题考查短语固定搭配。had better not do sth，故选C。句意：——你最好不要喝酒，因为你不得不开车回家。——好的。