过去进行时描述正在发生的动作 — 英语填空题
题目
用所给动词的适当形式填空。Last Saturday afternoon, when the thunderstorm suddenly arrived, I ___ (draw) a picture of the dark clouds at my desk, and my parents ___ (watch) the weather report on TV in the living room. At that time, the wind ___ (blow) more and more strongly outside.