Buna :D!
Ex 1
2) The tables are wiped
3)The cutlery is polished
4)The places are setted
5)The menu is checked
6)The food is prepared
7)The ovens are heated
8)The flowers are arranged in vases
9)The salt and pepper plots are filled
10)The candles are lighted
Ex 2
2) must be handed by
3)wasn't delivered
4)was repaired
5)we're not announced
6)was maked
7)will be finished
8) watered
Ex 4
2) was holded
3)was attended
4)was watched
5)was presented
6)was desired
7)was conducted
8)we're not revealed
9)was opened
10)we're given
11)we're separated
12)we're maked
13)we're known
14)we're considered
15)we're given