This is his ruler(改为复数句) That is my key(改为复数句) These are his brother

问题描述:

This is his ruler(改为复数句) That is my key(改为复数句) These are his brother

THESE ARE HIS RULERS.
THOSE ARE MY KEYS.
THIS IS HIS BROTHER

These are his rulers.
Those are my keys.
This is his brother.