Вопрос по английскому языку:

Выберите подходящий вариант.В ответе запишите только буквы.
1) My cousin very upset because his health has changed ____ worse.a) to;b) into;c) for;d) by.
2) How long can man _____ food?a) do out;b) do without;c)make out;d)make up.
3) You can’t join us, I’m afraid. There isn’t enough _____ in the car.a)place;b)seat;c)people;d)room