Jack practices playing the piano three hours every day.对划线部分提问three 是划线部分

Jack practices playing the piano three hours every day.对划线部分提问three 是划线部分 naming practices hiring practices abusive practices Dating practices? practices是什么意思? 几道英语转换题,1．句型转换与完成句子(每空一词)1.Jack does his homework every day.（改为否定句）Jack _______ ________ his homework every day.2.Tony likes playing computer games.（改为否定句）Tony ______ _______ playi jack Jack Business+Practices是什么意思 good distribution practices是什么意思 us foreign corrupt practices surveillance practices是什么意思 collusive practices什么意思? 用所给时间状语改写下列句子.1.Is she surfing the Intenet in the room (for about 2 hours)2.Mr.and Mrs.lived here last year.(since 2000)3.Jack with his friends has been skating for three hours.(at this time yesterday)4.Where were they playi ethical business practices什么意思 personal ethic practices 的意思 He practices running every morning.谓语是 practices 还是practices running?