there is an apple on the table 对句中的an 进行提问

there is an apple on the table 对句中的an 进行提问 There is an apple on the table 对划线部分提问【an ____ ______ ____ _ There is an apple on the table.否定句 is there an apple on the table.否定句 there is an eraser on the table. 对划线部分进行提问 句型转换 There is an apple on the table.(根据an apple提问） （ ）（ ）on There was an apple on the table复数句 there is an apple on the table 改为复数形式 is there an apple on the table?否定回答 There is only an apple on the table 改同义句 There is __ __ an a There is only an apple on the table.There is ____ ___ an app There is an apple in the picture 句型转换对划线部分提问 划线部分是an apple 句