whose watermelon heavier,yours or his

whose watermelon heavier,yours or his 为什么 Whose school bag is heavier,yours or mine?school bag 后面是 仿照Whose school bag is heavier,yours or mine?Your is,I think造 Whose bag is heavier,you or mine?哪错了? shorter,whose,are,pencils,theirs,yours.or连词成句 ***Whose ruler is longer,yours or Gao Shan's? whose hairs are longer,yours or mine?这句话对吗 is his lifestyle------- ------- yours or different? Who's school bag is heavier,yours or mine?哪错了? 谁会这个 whose haie is longer,----- A.yours or hers B.your or he Is this dictionary yours or his?she a is his lifestyle the same as yours or __________?what