Напишите ! 1)Sometimes, you (нужно выбрать:needn’t, to needn’t, need, needn’t to) go to the ticket office to buy a ticket.
2)All of us know the roles in the museum. We (must to follow, must following, must follow, to must follow) them.
3) A sign of a crossing camera means that you (must take, mustn’t take,mustn’t to take, mustn’t taking) photos in the museum.You mustn’t eat food in the hall. You ( should to consume, should consuming,to should consume, should consume) your food only in special zones.
4) You ( hasn’t to shout, to haven’t shout, haven’t to shout, haven’t shouting) or talk loudly at the museum.