Complete the second sentence so that it means the same as the first. (Passive modals) 
 1 They must label all food properly so we can make healthy decisions. 
All food______________ 
2 We won't solve the world's food problems unless we all become vegetarians. 
The world's food problems___________ 
3 If governments were less selfish, they could have made hunger a thing of the past. 
If governments were less selfish, hunger______________ 
4 They should have banned fast food years ago. 
Fast food____________ 
5 Giving free healthy meals at school would reduce obesity. Obesity____________ 
6 They must make unhealthy snacks more expensive so people don't buy them. 
Unhealthy snacks______________