1.The girls don't have any volleyballs.
don't + 动词原形,some 变 any
2.My sister doesn't watch TV every evening.
doesn't + 动词原形在把第2句改为一般疑问句 并肯定和否定回答Does your sister watch TV every evening?Yes, she does.No, she doesn't.把Tony has a soccer ball and a tennis ball 改为否定1句和一般疑问句并肯定和否定回答Tony doesn't have a soccer ball or a tennis ball.Does Tony have a soccer ball and a tennis ball?Yes, he does.No, he doesn't.