Question

【题目】It's so cloudy. I think it (rain) soon.

Answer 1

【答案】is going to rain
【解析】句意：现在乌云密布,我认为很快要下雨了。根据时间副词soon可知此处用一般将来时,表示预测天气,用be going to,故此处为is going to rain。