he used to _____a walk after supper,_____he?A.take/usen't B.have/did C.taking/usen't D.have/used not
问题描述:
he used to _____a walk after supper,_____he?
A.take/usen't B.have/did C.taking/usen't D.have/used not
答
used to do 过去常常做某事
选A