--What is on my nose?(就主语Your glasses提问) --Your glasses are on your nose.(回答正好是这一句) --Where are my glasses?(就表语 on my nose提问) --They are on your nose.(回答不完全是原句) 你没有说清楚是就句子的哪一部分提问,这题答案不止一个. 本来也可以就your提问的,用whose,但不合生活逻辑: Whose glasses are on your nose? Whose nose are your glasses on? 最佳提问应为:What is on my nose?