We became high school students in【】

问题描述:

We became high school students in【】
等于
We became high school students 【】 【】 ago
在空格里填上合适的单词,使句子为同义句.

We became high school students in【2007】只能填入年代,不然无法用下列的句子表达.
We became high school students 【three】 【years】 ago 2007-2008正好是三年.