How many book is there on desk 在不知道数量的情况下，用单数形式提问 ~~~希望对你有所帮助，望采纳~~~
michellellll 4人参与回答 2024-05-28 How say to use English?
湘剑狠皖 5人参与回答 2024-05-29 Are there any magazines on the desk?
深夜地黄昏 4人参与回答 2024-05-29 How say to use English?
Jonathan261 5人参与回答 2024-05-29 Do you know how many books there are on the desk?
三鲜豆皮皮 5人参与回答 2024-05-29 
