She must play the piano for at least one hour.(对for at least one hour 提问)

At the moment she _with her brother at home A may play B must be playing C can play D must play ( )(play) must follow the rules In the play,she must appear in a bright red dress and long black stockings.这里appear是什么用法.那in the play是不是有点多余 In the play,she must appear in a bright red dress and long black stockings.这里为什么用appear.in the play是不是有点多余 she likes play the flute She must play the piano for at least one hour.(对for at least one hour 提问) 请问In the play,she must appear in a bright red dress .中的谓语动词appear为什么不用三单后加S play the piano or play piano?must true! She can play the guitar well.对play the guitar Can she play the guitar?为什么play是原形 She must find the right place______her dog She enjoys ___________(play) the piano. she can play (the piano) .(划线提问) She's going to play the fiute 改错：she play the soccer every day. she can play the violin ______( beautiful). she can play the piano否定句 she want to play the guitar否定