问题
选择题
(2013·湖南，31)________warm at night, I would fill the woodstove, then set my alarm clock for midnight so I could refill it.
A．Staying
B．Stayed
C．To stay
D．Stay
答案
答案：C
考查非谓语动词。此处考查动词不定式表目的，句意：晚间，我为了保持暖和，我就把柴炉加满。故选C。