变复数句It's an appleThat's a red knife Is that your bagThis is a tigershe isn't a doctor

It's an eraser.改成复数句 单数句变复数句 的答案!变复数句与单数句 1 This is an apple. (变复数句) . 2 That’s a book. (变复数句) . 3 Those are English maps. (变单数句) . 4 It’s a watc they are teacher.变为否定句第二个问题：it‘s an English car 变为复数第三个问题：that shirt is white 变复数 It' s an English car(变为复数句） it's an orange Jacket改复数句 It's an English book.（改为复数句） It's an appie tree(改成复数句) it`s an old photo 改为复数句 变复数句It's an appleThat's a red knife Is that your bagThis is a tigershe isn't a doctor It is an orange,变复数 that’s an orange变复数形式 she is an airhostess.变复数句 It’s his pen.怎么变复数 It's her skirt变复数 It's a watch.（变复数） that’s a map变复数句 变复数句：-It's five yuan. -___ ___ five yuan. 单数句变复数句,复数句变单数句.It is a bus____________________