<span>Global warming is one of the most important problems is being discussed all over the world. Global warming is the result of constant pollution of the environment. This leads to the fact that the average temperature on the planet, including the poles, invariably grows and the glaciers begin to melt. This phenomenon is very dangerous for people, because the entire climate picture of the planet is changing. Many islands can disappear under water, and some parts of the continents will become unsuitable for human life. This problem should touch every person. The pollution of the environment depends on us. Factories and all industries are obliged to use all modern methods to clean up production waste not to let them enter the oceans and atmosphere of the Earth. </span>
2
anita didn't walk with the dog last night
3
vanya didn't visit his grandpa yesterday
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they didn't live in ufa last year
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we didn't laugh much last sunday
6
vova didn't dance in his dream
7
<span>l didn't join a sports centre two days ago</span>
I think about the beach, the sun. But understand, that this is not so, and soon will anomaly. I think the future may depend on the person.
<span>What was you doing at 8 o’clock?
</span>What was <span>Mark doing when you saw him?
</span><span>What was you doing while your mother was cooking dinner?
</span>What were children doing when <span>we arrived?
What were </span><span>Mary and Sue doing</span><span><span> at midnight?</span></span>
Kyiv — the Capital of Ukraine
According to the chronicles Kyiv’s first citadel was built in the period from the sixth to eighth centuries. Kyiv bears the name of prince Kyi, who lived on the old Kyiv Hill in the sixth century. Under the rule of Yaroslav the Wise Kyivan Rus with Kyiv as its capital reached the height of its power.
