It’s been over two years ____a terrible earthquake happened in Wenchuan.

It’s been over two years ____a terrible earthquake happened in Wenchuan.
It’s been over two years ____a terrible earthquake happened in Wenchuan.

It’s been over two years ____a terrible earthquake happened in Wenchuan.
since自从汶川的那场可怕的地震发生到现在已经两年多了.since引导时间状语从句,用于现在完成时态.

为题目的内容黜哀三分钟.
可是我看不出这是个什么题哦?
要怎么回答?
填空题吗?填that吧。

since
添since表示完成时,其中's是has的缩写.

SINCE

since

since 完成时的标志
从四川发生可怕的地震以来，已经有2年多了
望采纳！