Clouds are gathering, I think we’d better for the hotel in case it to rain.
A. to head; starts
B. head; starts
C. heading; start
D. heads; start
网友回答
A. to head; starts
(答案→)B. head; starts
C. heading; start
D. heads; start
解析：第一空考查had better do“最好做”，第二空的主语是it，所以用第三人称单数。句意是：云聚集起来，我想我们最好去旅馆以防开始下雨。选B。