Вставьте a (an) там где это возможно. в остальном случаях вставьте some room question nut orange juice orange juice sandwich cheese cheese sandwich ham ham sandwich exercise wolf hen house milk soup milk soup tomato tomato soup salad potato potato salad fridge plan idea sugar jar honey porridge family families countries puppies cities corn apple apples apple jam snow snowball snowmen snowman postman postmen 30 !

1.a garbage is not only ugly, bute dangerous because it causes an air pollution.

2. cars are an important part of a life for most people. but cars also cause a pollution and release fume.

3. in canada people don't realise that they throw out 10,000 tons of a waste.

4. over 14 billion pounds of a waste per year is throw out to sea and it kills millions of sea animals.

5. if we want to breathe  a healthy air we have to think about what we do.

6. because of our lack of a knowledge there is now a huge hole over an antractic.

7.a water is a vital element of a life.

listen, ivan sings in the next room.it doesn't see that i look at it, as he reads something with a great interest.call him now. i think that he doesn't sleep yet.look at the person who sits at a window. he/she is our lawyer.