ping-pong用bat还是racket

ping-pong用bat还是racket Bob___one ping-pong bat,he doesn't__a ping-pong ball. Do you have a ping-pong bat? tennis、racket、ping-pong、bat可数吗? Peter has a ping-pong bat.对a ping-pong bat提问.What_____Peter____? 改为同义句.How much is the ping-pong bat?( ) i改为同义句.How much is the ping-pong bat?( ) is the ( )( ) the ping-pong bat. She has a ping-pong bat.（改为一般疑问句） She has a ping-pong bat.给为一般疑问句 Sandra has a ping-pong bat.(改为一般疑问句) she has a ping pong bat.改为一般疑问句 How much is the ping-pong bat?改为同义句 your brother _______(没有)a new ping-pong bat John has a ping-pong bat.改为一般疑问句 l have a (ping pong bat)画线提问 how mush is the ping pong bat?改为同义句 Do you have a ping-pong bat? 给为陈述句 I have a ping-pong bat.(对画线部分提问)画线部分是a ping-pong bat. Do和Does分别该在什么时候用,比如：___ your sister have a ping-pong bat?