this apple is red改为复数句

this apple is red改为复数句 It is a red apple.改为复数句 Is this a red apple?的复数句是什么? this is an apple怎么改为复数句 this apple is vety big.改为复数句 The apple is red.改为同义句 This red apple is her mother's的复数句的句子是什么? this is a red apple改为一般疑问句 is this a red pen 改为复数句,并作肯定回答 句型转换 This is a red tomato（改为复数句） Those English books are goo that is a red apple 改为同义句 This apple is red.（改同义句）