问个英语低级问题there is a knife on the table.give me the glass on t

问个英语低级问题there is a knife on the table.give me the glass on t There is a knife on the table 复数形式 There is a knife on the table.划线部分提问划a knife This is a knife.（改为复数句） Is there a glass on the there is a glass of lemonade on the table .a glass of划线 (同上) There’s a knife on the table.（改为复数） There __a knife and a fork on the table 英语问题Is there a book on the table?Yes ,there is .Is the book There is a glass of orange juice on the table(用there代替 a写) there is a knife on the table.的复数形式是什么 there is a pen on the table.pass_____to me plese. There is a glass of milk on the table.对a提问