Выберите верный вариант. 1) How many / how much people have seen

Изберите правильный вариант.
1) How many / how much people have seen your new holiday destination advertisement?
2) I dont think I will buy this tour. I have few / little money.
3) The reception in this hotel is very efficient, but the restaurant service is slow as they have many / few waiters.
4) Many / a lot buildings have been renovated in this area.
5) We still have a little / a few plane tickets left.