had been doingwho had been work in...for a long timewho had been working in.for a long time我支持下面的,请问下面的对吗?
问题描述：
had been doing
who had been work in...for a long time
who had been working in.for a long time
我支持下面的,请问下面的对吗?
答
下面的对,强调过去特定时间之前发生的事情存在了一段时间或一直继续着,可用过去完成进行时,如 We had been waiting for three hours when we were allowed to enter.到我们被准许进去时,我们已经等了三个小时了