Question

【题目】He often saw his mother __________ clothes .
A.washed
B.washes
C.wash
D.washing

Answer 1

【答案】C
【解析】句意：他经常看见妈妈洗衣服。see sb. do sth.看见某人做某事；see sb. doing sth看见某人正在做某事；根据句意可知是看见某人做某事。所以选C。