问题
选择题
—Jack ________ride a motorcycle to work.
— Yes, but now he ________ there as motorcycles are not allowed on our city streets.
A．used to; is used to walk
B．was used to; is used to walking
C．was used to; is used to walk
D．used to; is used to walking
答案
答案：D
题目分析：句意为：杰克过去常常骑摩托车上班。不错，但是现在他习惯于走路上班，因为在我们城市道路不允许骑摩托车。used to do：表示过去常常做某事，be used to do表示被用于做某事，be used to doing表示习惯于做某事。结合语境可知应选D。