these are orange pencil cases 改为单数句

Are these orange quilts?改为单数句 连词成句：orange ,oranges,are,these whose pens are these?还是whose are these pen?区别? Are these your pen 同义句转换 THese are orange pencil cases (改为单数句） these are orange pencil cases 改为单数句 Are these oranges orange同义句 （）（）（）（）? These are orange oranges（改为单数形式） Are these your pen----- No,they are my brothers. These ()are ().为什么要填 oranges;orange 而不填 orange;oranges that is orange orange和these are yellow flowers的同义句 Are these your pen （改为同义句） Are these ————? This is a pencil and a pen还是These are a pencil and a pen Are these _______.A.yours pens B.pens yours C.yours pen D.your pen选择题 Are these _______.A.yours pens B.pens yours C.yours pen D.your pen 用“be” （am is are)填空 1.the pen ____ orange 2,this _____leller (字母 ) V These are orange oranges.(改为单数形式）提示These are orange oranges.的中文是这些是橙色的橘子. These are some__.They're from the__trees.A.orange;orangeB.oranges;orangesC.oranges;orangeD.orange;oranges原因,快