is this your ball?(变复数）

is this your ball?(变复数） 改为同义句 Is this your ball? Is this your ball?同义句 Is this ball your?Yes,it's() Is this your soccer ball改为同义句 Is this your ball?否定回答怎么回答 Is this your ball,Nick?肯定回答是什么?Yes,it is.还是Yes,this is. Is this your ball? 同义句is this————?---- 为空格 Is this your ball 同义句Is this 《2个空》 Is this your backpack?变复数要怎么变啊! Is this your pencil?Yes ,it is.变复数 this is your pencil sharpener.变复数________your___________ what color is your ball 改为复数句 ls this bike yours ?（用your改写句子,意思不变）求助 what sport is played with this ball? This is a white ball.同义句 is.this.ball.yellow?改为肯定句 This is my ball.改成同义句 is this your watoh 变复数 This is my mother.对my mother提问