把英文句子改成复数what is it?it's a mirror?it's a bus?请该为复数,怎么改
问题描述：
把英文句子改成复数
what is it?it's a mirror?
it's a bus?
请该为复数,怎么改
答
what are they ? they are mirrors.
they're buses.
答
what are they? Are they mirrors?
Are they buses?
答
what are they are they mirrors?
They are buses.