Change these sentences into passive voice

III. Writing: 

A.Change these sentences into passive voice:

1. Government must eliminate hunger as soon as possible.

  =>Hunger....................... 

2. Parents shouldnt allow children to play violent games.

  =>Children.................... 

3. You must wash your hands before meals. 

=>Your hands................. 

B.Rewrite the sentence, using the superlative form of the adjectives given.

4.Mount Everest is higher than every mountain in the world.(high).

=> Mount Everest ................ 

5.My grandmother is older than everyone in my family.(old)

=> My grandmother is the..........