The old farmer had his leg but he had his tractors day and night.A. hurting; working B.

问题补充：

The old farmer had his leg but he had his tractors day and night.

A. hurting; working

B. hurting; worked

C. hurt; working

D. hurt; worked

答案：

A. hurting; working

B. hurting; worked

(答案→)C. hurt; working

D. hurt; worked

解析：have后接过去分词表示把某事做了，接动名词表示让某人反复做，根据题意选C，这个老农把腿弄伤了，但是他让他的拖拉机整日工作。