this is a ruler 改为复数
this is a ruler 改为复数
this is my ruler改为复数句肿么改啊?
That's a ruler.对 a ruler 提问.Is this an apple?改为复数句子.
lt is a ruler(改为复数)
this is a ruler.改复数
This is a ruler 改为一般疑问句
This is a ruler改为一般疑问句
Is that a ruler?(改为复数句)
This is "a ruler".
ls this your ruler改为复数句
is this your ruler? 改为复数句 Are these her erasers?改为单数句
[紧急求助]This is a ruler.改为否定句