Выразите тоже самое, но с пассива: 1) we must diskuss the contents of the novel. 2)the actors ought to impress the audience. 3)yuo should stop these chatterboxes. 4)we must introduse the members of the team to each other. 5)you can`t devour such books. 6)people have to transport these boxes. 7)they must translate the speech when the time comes. =)

1) The contents of the novel must be discussed

2) The audience ought to be impressed by the actors.

3) These chatterboxes should be stopped.

4) The members of the team must be introduced to each other.

5) Such books can*t be devoured.

6) These boxes have to be transported.

7) The speech must be translated when the time comes.

the contents of the novel must be discussed

the audience must be impressed by the actors

 these chatterboxes must be stopped

the members of the team must be  introdused to each other.

such books cannot be devoured

these boxes have to be transported

 the speech must be translated when the time comes.