The pen is white.改一般疑问句.肯定否定回答.加中文.The pencils are black.改一般疑问句.肯定否定回答.
问题描述：
The pen is white.改一般疑问句.肯定否定回答.加中文.The pencils are black.改一般疑问句.肯定否定回答.
加中文
答
Is the pen white?这只钢笔是白色的吗?
Yes,it is.是的,它是.
No,it isn't.不,它不是.
Are the pencils black?这些铅笔是黑色的吗?
Yes,they are.是的,它们是.
No,they aren't.不,它们不是.