Question

________ 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

Answer 1

C

句意：为了保暖，我把柴炉填好，然后把闹钟调在子夜，好又添柴。表目的，为了什么，用不定式来表示。
【考点定位】考查非谓语动词中的不定式。