题干

My father used _______in front of his house and he got used to _______like that.
A.to sit; doingB.to sitting; doC.to sit; do D.to sitting; doing
上一题 下一题 0.64难度 单项选择 更新时间:2014-03-19 02:37:38

答案(点此获取答案解析)