This is a ruler怎么改一般疑问句
This is a ruler怎么改一般疑问句
This ruler is for you .改为一般疑问句,怎么改?
this ruler is hers.改一般疑问句
This is a ruler 改为一般疑问句
This is a ruler改为一般疑问句
一般疑问句和肯否定回答:This is a ruler
The ruler is yellow.改一般疑问句
This is my ruler.(改为一般疑问句)
It is a ruler(改为一般疑问句)怎么写?
This is your...改一般疑问句怎么改?
That is a ruler.改为一般疑问句
this is a ruler.改复数