This is an apple就an apple部分转换提问

This is an apple就an apple部分转换提问 This is （an apple）对括号部分提问 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 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 This is (an apple)打括号的地方提问 It is （an apple.) 括号代表划线部分提问 is this an apple an orange__an egg 句型转换 There is an apple on the table.(根据an apple提问） （ ）（ ）on This is a book （划线部分提问）划线:book It is an apple.(改为否定句) this is an apple.改成复数形式 an,is,apple,this连词成句 This is an apple 变为复数句子