Загрязнение окружающей среды. environmental problems have become one of the most urgent problems of modern society. more and more people suffer from air and water pollution. nature also suffers from land and nuclear pollution. the reasons for such environmental problems are numerous. among them increasing number of cars in the streets, factory waste, millions of cut down trees, destroyed habitats of animals, contaminated rivers and seas. all these problems mainly arise due to human careless activities and gradually destroy our planet. if we look closely, we’ll notice that not only one city is under danger, but the majority of world population. fortunately, there are many ways to suspend these problems.
a) when did you phone your mother?
- I phoned my mother yesterday.
b) when did you play computer games?
I played computer games last Friday.
c) when did you walk in the park?
I walked in the park one day ago.
d) when did you help your mother with the housework?
I helped my mother yesterday.
e) when did you travel abroad?
I travelled abroad last year
f) when did you want to eat an ice-cream?
I wanted to eat ice cream last week end.
g) when did you listen to music?
I listened to music yesterday.
h) when did you are late for school?
I was late two weeks ago.