Question

--- What do you enjoy most ____ in the summer holidays? 

--- Playing table tennis.

1. A.
   killing time
2. B.
   to kill time
3. C.
   spending the time
4. D.
   to spend the time

Answer 1

B
把对话中的答语带回答问句中可得I enjoy playing table tennis most…in the summer holidays。由此可知本题设空处应给是句子的目的状语而不是enjoy的宾语。故选B。