my father used to ( )to go to woruk.by bus,take a bus,took a bus,_英语解答

my father used to ( )to go to woruk.by bus,take a bus,took a bus,takes a bus

人气：390 ℃　时间：2019-08-21 03:58:41

解答

My father used to take a bus to go to work.
to后面的动词用原型.used to是习惯做某事.