题目内容：

what's this?It's a box.怎么改成复数形式?下面几题也说下就是

优质解答

-What are these?
-They are boxes.

追问：

请问下面题会不会。where is the pen?it's in the desk该复数。后面的题目也说下，谢谢纳

追答：

-Where are the pens? -They are in the desk. 哈哈 有的话你就尽情的发吧