These clothes are very dirty.They need .A. washingB. to washC. washD. washed

问题补充：

These clothes are very dirty.They need .

A. washing

B. to wash

C. wash

D. washed

答案：

(答案→)A. washing

B. to wash

C. wash

D. washed

解析：need 动词后面要求接动名词的主动形式或不定式的被动形式.