问题
选择题
----- Are you used to______ in the north with the old couples?
----- Yes, I am glad to find out that coal is used______ electricity for home use.
A．live; to produce
B．living; to produce
C．to live; produce
D．living; producing
答案
答案：B
考查use用法。句意：你习惯和这对老夫妇住在北方吗？——是的，我很高兴发现煤是用来家用发电的。Be Used to sth/doing sth习惯于某事。下文be used to do sth 被用来做某事。故选B。原答案有误。