题目
把单数改成复数,把复数改成单数 说明理由
This is a book
That is a box
Are those rulers
What are these?
They are toys
That is an egg
What's this in english?
Your bok isn't in the desk
Is it your schoolbag?
This is a book
That is a box
Are those rulers
What are these?
They are toys
That is an egg
What's this in english?
Your bok isn't in the desk
Is it your schoolbag?
提问时间：2020-10-05
答案
These are booksThose are boxesis that a ruler What is this?it is a toyThose are eggsWhat are these in English?Your books aren't in the deskare they your schoolbags?
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