改句子 英语速度点HE IS A BOY Zhang peng is piaying thrpiano AMY and

Zhang peng is piaying the piano
AMY and wu yi fan are playing games
再问： 额改为一般疑问句否定句15财富了速度点
再答： Is Zhang peng piaying the piano ？ Zhang peng is not piaying the piano Are AMY and wu yi fan playing games ？ AMY and wu yi fan are not playing games Is he a boy？ He is not a boy