问题补充:
It can be cheaper to buy a new washing machine than to get your old one .
A. repaired
B. to repair
C. repairing
D. having repaired
答案:
(答案→)A. repaired
B. to repair
C. repairing
D. having repaired
解析:根据句意可知,句中的 your old one 与动词 repair 之间为被动关系,所以 repair 要用过去分词。get sth done 的意思是“使某事被做”。