There is a battle on this table(改为复数）

There is a battle on this table(改为复数） There is battle on this table(改为复数） There is a giass on the table(改为复数) There is a mango on the table.(改为复数句） There ______ ______ __ There’s a knife on the table.（改为复数） There is a pair of glasses on the table.(改为复数形式） This is a knife.（改为复数句） Is there a glass on the There is a book and a pen on the table改为复数句 there is an apple on the table 改为复数形式 there is an alarm clock on the table.改为复数 Is there an orange on the table?改为复数形式 There is an orange on the table改为复数形式There on the table.三个空?