—— Look at the black clouds.It ＿＿＿＿＿＿ soon.
—— Sure.If only we ＿＿＿＿＿out.
A. is raining； didn’ t e
B. is to rain； won’ t start
C. will rain； haven’ t started
D. is going to rain； hadn’ t e
网友回答
A. is raining； didn’ t e
B. is to rain； won’ t start
C. will rain； haven’ t started
(答案→)D. is going to rain； hadn’ t e
解析：根据目前迹象判断将要发生的动作用be going to；if only 意为“但愿”，其后的句子用虚拟语气。