Every evening after dinner, if not from work, I will spend some time walking my dogs.
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：考查从句的省略式，英语中如果主从句的主语一致，可以省略从句的主语和be动词，if not tired=if I am not tired，句意是：每天吃完饭，如果不是因为上班累了，我会花点时间遛狗。选C。