第1个回答 2021-12-21
用颜色提问
What color are his trousers?
第2个回答 2021-12-21
His+trousers+are+black的特殊疑问句是：
What color are his trousers?
第3个回答 2021-12-21
特殊疑问句：
What colors are his trousers?
他的裤子是什么颜色的？
Whose trousers are black?
谁的裤子是黑色的？
望采纳
第4个回答 2021-12-21
His trousers are black.
特殊疑问句：
1） What color are his trousers?
2）Whose trousers are black?