部分停电的工作是指哪些工作？
参考答案：部分停电的工作，系指高压设备部分停电，或室内虽全部停电，而通至邻接高压室的门并未全部闭锁。
Ⅱ型麻风反应主要发生于（）。
A.TT
B.LL
C.BB
D.BL
E.BT
—Did your father smoke a lot?
—No, he didn't. But he _____ that. [ ]
A. used to do
B. used to doing
C. was used to do
D. was used to doing
