语法专练把下列句子改成一般疑问句，并根据提示作出回答。1．Thisismybook.
问题详情：语法专练把下列句子改成一般疑问句，并根据提示作出回答。1．Thisismybook._____________________________________________________________________It’smine.2．ThoseareSally’skeys._________________________...
问题详情：语法专练把下列句子改成一般疑问句，并根据提示作出回答。1．Thisismybook._____________________________________________________________________It’smine.2．ThoseareSally’skeys._________________________...