My father live in the country. But now he living in the city.A used for is used to B is u

问题补充：

My father live in the country. But now he living in the city.

A used for, is used to B is used to , used to

C use, used to D used to , is used to

答案：

解析：根据But now可知前文叙述的过去时态。Used to do过去做 be used to doing 习惯了做某事，故选A