the crazy fans___patiently for two hours,and they would wait till the movie star arrived

来源：百度知道 编辑：UC知道 时间：2024/06/05 00:54:01
were waiting had been waiting
为什么

had been waiting

had been waiting 表示从过去到现在一直在等
而 were waiting 只表示过去一直等待

had been waiting
过去完成进行时
疯狂的影迷已经耐心的在那里等了两个小时 它们将会继续等知道电影明星出现

had been waiting,过去完成进行时,一直在等待,并且还将继续等待下去
他们会继续等待电影明星出现

选后一个，意思是已经等了两个小时了，还会再等下去。
这里强调的是已经等了两小时了，应该用过去完成时。