3·Those are rulerd(改为单数形式） 4·His brother has a computer(改为一般疑问句）

3·Those are rulerd(改为单数形式） 4·His brother has a computer(改为一般疑问句） those are my怎么改特殊疑问句 Those brushes are theirs.(改单数句) are those our english books?改单数 Are those oranges?单数句怎样改 Are those your erasers改否定句 Those are his parents改同义句 those are our chinese books改单数 Those are nice photos.改否定句 Those American are visitors怎么改 Those are onions改一般疑问 those are tiger cubs.改一般疑问句 those　bikes　are　not　　theirs,改同义句those　　are　　not　　_______　　　___________ Those are apples.谁会改（改为单数形式） Those are her pencils怎么改同义句 those,are.his.boxes改成单数,怎么改 do you know what those are 改病句 Those are their sketchbooks.改一般疑问句,肯定回答