This is a black dog（改为一般疑问句并回答）
问题描述：
This is a black dog（改为一般疑问句并回答）
答
Is this a black car ? Is this a black car? is this a black car?
答
否定句:This isn't a black dog.
一般疑问句:Is this a black dog?
肯定回答:Yes,it is. 否定回答:No,it isn't.
答
有be动词（am, is, are）的一般疑问句，只要把be动词提前，其他部分照写，最后加问号即可。
Is this a black dog?
Yes, it is.
No, it isn't.
希望能帮助你~
答
is this a black dog?
yes it is/no it isn't
答
一般疑问句 Is this a black dog?
肯定回答：Yes,it is.
否定回答：No,it isn't.