问题
选择题
--- What’s the matter? You are like that for a few minutes.
--- Well, it is bound . I’m thinking if we need get the wet clothes back to the room.
A．to rain
B．to have rained
C．rained
D．raining
答案
答案：A
考查短语搭配。be bound to do必定做某事，句意：一定下雨了，我正考虑我们是否把湿衣服收回家，选A。