Pocket frogs里的lifetime frogs是什么,怎么加

sing,can,frogs?怎么造句 green,the,frogs,colour 英语一般疑问句These are frogs怎么改 mad as a box of frogs的意思? keep frogs in the water ( )any frogs when winter comes Have you ever heard of showers of frogs and fish?这句话怎么翻译? a group of frogs were travelling through the woods的选择题 英语短文填空(填编号的内容)Long,long ago,some frogs had a climbing race. a group of frogs were travelling through the woods...的阅读理解 A frog ( ) feet.Three frogs ( )twelve feet They are some frogs.变为单数句