问题补充：
In the old days, people a fire with wood in our village.
A. were used to make
B. used to making
C. used to make
D. used making
答案：
A. were used to make
B. used to making
(答案→)C. used to make
D. used making
解析：考查词组：used to do过去常常做…,be used to do被用来做，be used to doing被用来做…，句意：古代，我们村子的人们常常用木头生火。选C.
