He _______go to school on foot and _______listening to music while walking A.uesd to ;was used toB.was used to;ues toC.used to ; is use toD.is used to;used to
问题描述：
He _______go to school on foot and _______listening to music while walking A.uesd to ;was used to
B.was used to;ues to
C.used to ; is use to
D.is used to;used to
答
A used to 过去常常
前句为过去，前后时态保持一致，用was used to过去习惯于
故选A
答
C.used to do ; is use to doing
过去走着 习惯于听音乐