Pouvez-vous m’aider pour les exo 1/2/3 svp

EX 1
1 are killed
2 were thrown away
3 is wasted
4 was elected
5 are needed

EX 2
1 were
2 is being
3 be
4 were
5 is

EX 3 (je suis sur a 90%)
1 food and medicine was sent to africa
2 a charity was created to help ...
3 a concert was given by the troop ...
4 a youth club house is being built
5 the premise must be respected

Bjr

1
1 are killed
2 were thrown away
3 is wasted
4 was elected
5 are needed

2

1 were
2 is being
3 be
4 were
5 is


3.......