问题
Are you a teacher—No, but I ________.
A:used to
B:was used to
C:used to be
D:used to do
B:was used to
C:used to be
D:used to do
正确答案是：
同类题型
It is playing computer gameshe spends so much time that he fails all the exams
_________ is it from our school to the supermarket—– Ten minutes’ ride.
The wrong you have done to him is terrible, for _____ you should make an apology to him, I think．
Peter _______ some money every month so that he canbuy a new car.