问题
He ___ go to work by bus, but now he ___ riding a bicycle to work.
A:used to; used to
B:used to; is used to
C:is used to; used to
D:is used to; is used to
B:used to; is used to
C:is used to; used to
D:is used to; is used to
正确答案是：
同类题型
dating back perhaps as far as the SouthernDynasty, _________ its new meaning last September
In _____ Chinese culture, marriage decisions were often made by parents for their children.
In my opinion, no organization can ________United Nations in keeping the word peace.
9 No bird and no beast _____ in the lonelyisland
worked nonstop for three hours in the sun, Johnreturned home, ______