2 A I think she's broken her leg, so we should move her. B No! Don't be stupid! We must/should wait for the ambulance to arrive.

2. A I think she's broken her leg, so we should move her.

B No! Don't be stupid! We must wait for the ambulance to arrive.

Если человек сломал ногу, нужно дождаться скорую помощь.

Ответ: must