the boy bought the new bike last month同义句转换It（ ） one month （ ）the boy bought the new bike
问题描述：
the boy bought the new bike last month同义句转换
It（ ） one month （ ）the boy bought the new bike
答
has been since
有不会的可以再问，祝学习进步
答
It has been one month since the boy bought the new bike.
答
was that 绝对对