是“whose backpack is this "还是“whose backpack this is "为什么?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/21 03:33:27

是“whose backpack is this "还是“whose backpack this is "为什么?

whose backpack is this是正确的,特殊疑问句is提前.