He___more than 5000English words before he entered the university at the age A hasA has learned B would be leaned C leaned
问题描述：
He___more than 5000English words before he entered the university at the age A has
A has learned B would be leaned C leaned
答
had learnt 表示过去的过去 用过去完成时
答
ABC都不对啊。应该是过去完成时 had learned
答
这里因该是填上had learnt,表示过去的过去用过去完成时,所以这里没有答案奥