用We must----in the hospital造一个句子

We must keep quiet in the hospital.医院内必须保持安静
We mustn't smoke in the hospital.医院内禁止吸烟
再问： 还有 We mustn’t____in the hospital、We must___at the museum、We mustn‘t___at the museum
再答： We mustn't smoke in the hospital.医院内禁止吸烟。 We must beware of pickpockets at the museum.博物馆内小心扒手。 We mustn‘t take photos at the museum.博物馆禁止拍照。 We mustn‘t touch the exhibits/objects.勿触摸博物馆展品。