一道英语题-___you___take a bus to school?

问题描述:

一道英语题-___you___take a bus to school?
- Yes,But now I usually go to school on foot
A Did use
B Were used to
C Do,use to
并说明理由,

A.
Did you use to take a bus to school?你过去常常乘公交车上学吗?
used to 表示过去常常.可有两种疑问方式.可用did 提问(这时改used 为use),也可直接将used提在句首表示疑问.