怎样将This is my teacher改为否定句
怎样将This is my teacher改为否定句
This is my teacher.(改为否定句)怎么改?
This is his teacher(改为否定句)
This is my ruler (改为否定句)
This is my room 改为否定句
this is my friend.(改为否定句)
this is my brother 改为否定句
This is my father()改为否定句
This is my grandmorther.改为否定句
This is my siste 改为否定句
This is my watch改为否定句
This is my friend This ( )( )my friend(改为否定句)