7.
1) a tube of toothpaste
2) a carton of milk
3) a bottle of oil
4) a jar of ointment
8.
1) you should consult a dentist
2) you should stay in bed
3) you should drink warm milk with honey
9.
What shouldn't people do to protect environment.=People shouldn't dump industrial resources like gas and water.
10.
What should people do to protect environment.=People should protect plants and animals that is to protect their natural habitats. People should keep the land clean.