You mustn't speak in class.(改为祈使句)

You mustn't speak in class.(改为祈使句) You mustn't listento MP4 in class.改为祈使句 You mustn't talk class.(改为祈使句) You mustn’t listen to the music in class（改为祈使句） ( ) ( ) to t You mustn't look out of the window in class(改为祈使句） You mustn't make so much noise in class 改为祈使句 You mustn't listen to music in class (改为祈使句） You mustn't shout in the classroom.改为祈使句 You mustn't talk loudly in the cinema.(改为祈使句) You mustn't swim in the sea改为祈使句 You mustn't swim in the sea.（改为祈使句） 把这句英语改为祈使句You mustn't play in the classroom.(改为祈使句）