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

 

C

【解析】考查狀語從句的省略。狀語從句省略的兩個必要條件：1，主從句的主語指代同一人/物；2，從句謂語中含有be. 補全該句后為“Every evening after dinner, if I am not tired from work, I will spend some time walking my dog.”，顯然該句滿足主語從句的省略條件，所以正確答案為C.

考點：狀語從句的省略

 

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