is this a red pen 改为复数句,并作肯定回答

is this a red pen 改为复数句,并作肯定回答 下午三点半要!一.按要求改写句子1.Is this a red pen?(改为复数句,并作肯定回答）2.Is that It is a pen.改为否定句,并作肯定回答.改为一般疑问句,并作否定回答 This is a pen改为否定句,改为单复数转换改为一般疑问句或提问,肯定句做回答. this is a pen.改为复数句 （1）This is a red basebal (改为一般疑问句,并做肯定回答) 快, Is that his ball改为复数并作肯定回答 is it my watch?改为复数句并作肯定回答 this is a japanese cap.i am a boy （改为一般疑问句并作肯定句回答） this is a glass of water.(改为一般疑问句,并作肯定句回答) he like his new r This is a bike 改为复数句、改为一般疑问句,肯定回答. This is my book.改为一般疑问句,并作肯定或否定句回答