Question

You’d better ________ more exercise and keep ________．

1. A.
   to do, healthy
2. B.
   doing, health
3. C.
   do, healthy
4. D.
   do, healthily

Answer 1

C
had better意思是“最好”，后面要接动词原形；keep作系动词时，后面要接形容词作表语。keep healthy保持健康。