--- What do you enjoy most in the summer holidays? 　　　　--- Playing table tennis.A. killin

问题补充：

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

--- Playing table tennis.

A. killing time

B. to kill time

C. spending the time

D. to spend the time

答案：

A. killing time

(答案→)B. to kill time

C. spending the time

D. to spend the time

解析：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。