Is that a bus?(改为复数句）

Is that a bus?(改为复数句） Is this a bus （改为复数句 is that bus red or green?改为复数句 that is a bus.(变为复数句）that is a bus.(变为复数句） that is a pencil.改为复数句 That is a dictionary.改为复数句 this is a bus.把它改为复数句 英语题目(单数句改成复数句),(复数句改为单数句)this is a bus.that is a big peachthey are girlsthey are old monkeys. is it a bus改为复数形式 This is a bus.改为复数. Is that a bus?复数形式 is that a watch?改为复数句急 That woman is a teacher改为复数句 That is a kind child改为复数句 Is that a ruler?(改为复数句） that is an orage bus 改为复数形式 this is a bus.【变为复数句】 Is it a bus?的复数句