My bed is 1.2 meter tall（改错） Our room are 39 square meters.The ruler is 25 centimeters length.It can dive in the deep cold water.
问题描述：
My bed is 1.2 meter tall（改错） Our room are 39 square meters.
The ruler is 25 centimeters length.
It can dive in the deep cold water.
答
My bed is 1.2 meter tall（改错）
--- My bed is 1.2 meters复数 tall.
Our room are 39 square meters.
--- Our room is单数 39 square meters (large).The ruler is 25 centimeters length.---The ruler is 25 centimeters long形容词.
It can dive in the deep cold water.---It can dive into the deep cold water.这题没把握!