That' a ruler._ruler is blue.
问题描述：
That' a ruler._ruler is blue.
A:An B:The C:A D:/
答
选B .上文说明了That' a ruler.下文的尺子就是上文出现过的,用特指
That' a ruler._ruler is blue.
A:An B:The C:A D:/
选B .上文说明了That' a ruler.下文的尺子就是上文出现过的,用特指