问题
选择题
I had a busy and tiring weekend because ______ the house for the Christmas cost me a whole day.
A.decorating
B.to decorate
C.decorated
D.decorate
答案
答案:A
题目分析:句意:因为要迎接圣诞节,装饰房子花费了我一天的时间,因此我过了一个繁忙和劳累的周末。“装饰”和其逻辑主语“我”之间是主动关系,故用现在分词作原因状语,选A。