Clouds are gathering I think we’d better for the hotel in case it to rain.A. to head; sta

问题补充：

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

答案：

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。