that is a pencil.改为复数句

that is a pencil.改为复数句 that is his pencil改为复数句 Is that her pencil?改为复数句 this is a pencil改为复数句 Is that Kate's pencil?(改为复数句) That is a pencil.改为否定句,单复数转换,一般疑问句或提问,肯定句做回答. 我英语卷子 That is my pencil 改为复数句 This is her brother改为复数句 Is th That is a pencil case.(改为否定句) is that a watch?改为复数句 That is a dictionary.改为复数句 That is a pencil(改为复数形式）咋改紧急. 将下列单数句改为复数句 Is this your pencil?Is that your cousin?Where is