Выберите предложение с верной формой глагола: have to / has to

Варианты ответа

1. A.We have to go to bed, it is late.верно
2. B.Sam is ill. He have to see the doctor.
3. C.Helen and Sarah has to go now. They have a karate lesson in 20 minutes.
4. D.Ulan have to buy milk. There isn’t any milk in the fridge.
5. E.Sally and I has to do our homework.