问题
选择题
________warm at night，I would fill the woodstove，then set my alarm clock for midnight so I could refill it. (2013·湖南，31)
A．Staying
B．Stayed
C．To stay
D．Stay
答案
答案：C
考查非谓语动词的用法。句意为：为了在晚上取暖，我会填满柴炉，再定好闹钟，以便半夜能起来再填一次。根据语境可知此处用动词不定式作目的状语。故答案选C项。