问题

My father used to drive to work, but he is used to ______ now.
A:walking
B:walked
C:walks
D:walk;
B:walked
C:walks
D:walk;
正确答案是:
同类题型
With the development of science and technology , more new technology____ to the fields of IT
It’s obvious that she ______ him fora long time.
He is known _____ his being on time, so we don’t know the reason ____ his being late this time.
I can’t go to the meeting ______, but I’ll send someone to speak for me.