We are swapping pictures.
I am swimming in the lake.
My parents are saving money for new car.
David is doing to the gym.
Please,give me thanks)
Взависимости от логики создателей. если есть текст, прочитать нужно, если нет- зависимо от твоего класса
1. must
2. doesn't have to
3. have to
4. had to
1) deliver
2) boil
3) keep
4) clean
5) look after
Yes, I do или No, I do not jump and skip well.