Make sentences:
1. people/ there/ less/ pollution/ if/ recycle/ be/ air/ more/ will
2. should/ amount/ your/ uses/ the/ you/ of/ family/ reduce/ electricity
3. recycle/ materials/ save/ students/ they/ if/ energy/ will/ and/ recycled/ use
4. doesn't/ class/ Tom/ today/ to/and/ come/ probably/,/ won't/ either/ he/ tomorrow/ come
5. but/ called/ I/their/ no one/ the/ phone/ house/ answered