Ittookmymothertwohours
问题详情：
It took my mother two hours ________ the house.
A. cleaning B. to clean C. cleans D. clean
【回答】
B
知识点：动词和动词短语
题型：选择题
问题详情：
It took my mother two hours ________ the house.
A. cleaning B. to clean C. cleans D. clean
【回答】
B
知识点：动词和动词短语
题型：选择题
