they are black and white.
改一般疑问句是
Are they black and white?
注
句子中有be动词变成一般疑问句时,直接把be动词提到主语的前面。
一般疑问句:(将be动词提到句首)
Are they black and white?
如果变为特殊疑问句,提问颜色,常用What colour ...? 句型。
What colour are they?
一般疑问句是将句中动词提到句首:Are they black and white?
they,are,black,and,white一般疑问句怎改么?