题干

I __________live in the countryside, but now I ________ living in the city.
A.am used to; am used toB.am used to; used to
C.used to; used toD.used to; am used to
上一题 下一题 0.64难度 单项选择 更新时间:2014-12-11 05:44:10

答案(点此获取答案解析)