Переведите на в past perfect tense 1.мы проснулись к 7 утра. 2.они не переехали к 9 марта. 3.разве поезд не уехал к 5 вечера? 4.разве фильм не начался перед тем как вы пришли? 5.он развелся перед тем, как ушел в армию.

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.

правильный ответ: б) bbc