the milu deer had been very common in China a long time ago,这是高中课本中的一句话,我觉得此句：过去完成时和 a long time ago连用不对,你们怎么看?
问题描述：
the milu deer had been very common in China a long time ago,这是高中课本中的一句话,我觉得此句：过去完成时和 a long time ago连用不对,你们怎么看?
答
a long time ago 比ago更靠前
所以用过去完成时