问题补充:
My cousins me and ask me what I was doing when I was studying in Canada.
A. used to ringing
B. were used to ring
C. were used to ringing
D. used to ring
答案:
A. used to ringing
B. were used to ring
C. were used to ringing
(答案→)D. used to ring
解析:词义辨析。Be used to do sth 被用来做某事;be used to doing sth 习惯于; used to do sth 过去常常。 我在加拿大学习时我的堂兄常打电话问我在干什么? 根据语境选D