变一变 Are those oranges?(改为单数句） Is___ ____orange?2.This is a b

变一变 Are those oranges?(改为单数句） Is___ ____orange?2.This is a b Those are oranges（改为单数句） 改为单数句:Those are orange oranges. Black is my family name.改为同义句 Those are oranges改为单数句 Are you 句型转换This is a book【改为复数句】Those are my brothers【改为单数句】Is this These are oranges.(改为单数句） Those are oranges.（改为单数句）拜托各位了 3Q Those are oranges 改为单数形式 This is an orange(改为复数句） Those are my friends.改为单数句 Are thes This is his daughter 改为负数句 Those are keys 改为单数句 David is my Are those oranges?单数句怎样改 This is Gina‘s brother（改为复数句） Are those your friends?（改为单数句）