—Peter, are you going fishing tomorrow?
—Yes. But I at home if it .
A. will stay, is going to rain
B. will stay, rains
C. stay, will rain
D. stay, is going to rain
网友回答
A. will stay, is going to rain
(答案→)B. will stay, rains
C. stay, will rain
D. stay, is going to rain
解析：句意：彼得，你明天要去钓鱼吗？——是的，但是如果下雨，我就呆在家里面。结合语境可知下文主句描述的是将来某时发生的动作，故用一般将来时态。当主句描述将来动作时，条件状语从句用一般现在时态表示将来动作，故选B。