按要求做题：1.Thisisabackpack.(划线提问)
问题详情：按要求做题：isabackpack.(划线提问) ________________inEnglish?ishisdictionary.(改为一般疑问句) ______________________dictionary?thisyourruler?(否定回答) ______,it_______.isapencil.(用eraser代...
问题详情：按要求做题：isabackpack.(划线提问) ________________inEnglish?ishisdictionary.(改为一般疑问句) ______________________dictionary?thisyourruler?(否定回答) ______,it_______.isapencil.(用eraser代...