They must be there now,aren't they?这里为什么不是mustn't they而是aren

They must be there now,aren't they?这里为什么不是mustn't they而是aren They aren,t there now They must be waiting for us,()?a.aren't they b.mustn't they There aren't many pandas( ).They're enangeredanimals.we must they aren't They aren't English no,----(they)aren't. there are .反问句式 aren't they They aren't standing there.改为一般现在时. Listen!His family must be quarreling,【aren't they?】,此句中【aren they aren't there还是they not there What colours,aren't they?