根据句意和汉语注释，写出单词的正确形式。
【小题1】When the doctor came, the victim has already stopped breathing (呼吸).
【小题2】Immediately (立即), the enemy disappeared on the early foggy morning.
【小题3】It’s not surprising to see so many salesmen (推销员) in such a big electrical shop in China.
【小题4】As we know, air pollution (污染) might cause many serious diseases.
网友回答
解析：
【小题1】考查stop doing sth停止做某事，stop to do sth停下来做另一件事。根据句意可知，用ing。故填breathing。
【小题2】考查副词。immediately“立即，马上”。故填Immediately。
【小题3】考查名词复数。salesman的复数是把man变为men。故填salesmen。
【小题4】考查固定短语。air pollution“空气污染”。故填pollution。