Mary is writing a letter to her pen pal.(这个句子是就A LETTER 提问还是

Mary is writing a letter to her pen pal.(这个句子是就A LETTER 提问还是 Mary is writing （ a letter to her pen pal） 对括号内提问. Lily is writing a letter to her pen pal就划线部分提问 划线部分为：her pen Kate is writing a letter to her pen pal对他提问 she is writing a letter to her pen pal[改为否定句} Imaging( 假设)you are Mary's pen pal.Write a letter to her and Mary (is writing)aletter to her pen pal(对括号内提问） (mary) is writing aletter to her pen pal对括号内提问 I ( ) writing a letter to Mary 填空 Imaging( 假设)you are Mary's pen pal.Write a letter to he 首字母填空Sally is writing a letter to her parents She writes a letter to her pen pal onec a month.（改为否定句）