Перепишите предложения, подчеркните в каждом из них модальный глагол или его эквивалент. Переведите предложения на русский язык.
1. The first thing we must do is to make a hotel reservation for him.
2. Payment is to be made for collection by the specified date.
3. Could you come here at 10.30 tomorrow?
4. Last month Lavrov had to go on business to London.