问题补充:
---Jack,whatdoyouusuallydoaftersupper?
---Well,I______stayathomeandwatchTV,butnowI______takingawalk.'A.used to, used toB.used to, am used toC.am used to, used toD.am used to, am used to
答案:
B解析used to do sth 表示过去常常做某事,而be used to doing sth 表示的习惯于做某事,故选B