Every evening after dinner, if not from work, I will spend some time walking my dog.
A. being tired
B. tiring
C. tired
D. to be tired
网友回答
A. being tired
B. tiring
(答案→)C. tired
D. to be tired
解析：此题从四个选项来看是考查非谓语动词的用法，但本质上是考查省略结构，句中的if not tired from work为if I’m not tired from work（如果我下班回来不是很累的话），其中的tired已转化为形容词。