How time flies!Several years ____since we started our middle school life.We will keep the pleasant experiences in our mi
问题描述：
How time flies!Several years ____since we started our middle school life.We will keep the pleasant experiences in our minds.
A.have pass B.has passed C.will pass
可为什么不是“have passed”呢?“Several years”不是复数吗?
答
B
Several years 在这里被看成是一个【时间段】,整体!
拓展：
Two hundred miles is quite a long way.
Ten dollars is not enough