Read the sentences. Change the incorrect word or phrase into the correct one and write only the correct variant, not the whole sentence. If you think that the sentence is correct, write OK.
1. For example, there have been several ice ages or glacial times.

2. The implications for the trees are very serious.

3. It was also suggested that more forests should be planted to create so-called sinks to absorb chemicals.

Вопросительные-
1.Have you finished your job?
2.Have you passed your driving test?
3.Has the postman come this morning?
4.Have you done your homework?
5.Why haven’t you put on your coat?
положительные-
1.We have bought a new TV set.
2.The students have left the room.
3.The train has just arrived.
4.He has written about a hundred novels.
5.I have already bought that book.
отрицательные-
1.I have not written the letter.
2.I had not written the article.
3.I should not have written the test work.
4.She hasn't written the test yet.
5.He hasn't phoned this afternoon.

He was ..a. bad painter, but he had .a.. very delicate feeling for art.
Nowadays, ..the. National Gallery continues to collect .the.. best works by artists.
What .a.. handsome man he was.
It was half past five in .the... afternoon.
He opened ..the.. door of this room.
She wanted to see .the/a. (оба варианта применимы). doctor. When .the... doctor came she told him everything about her illness.
I believe there must be .a... way out.
.The.. Crimea is situated in .the.. south of ... Ukraine.
Scientists still do not know if there is life on planet Mars.
... Great Britain is not washed by .the.. Black Sea.
She is so careful .with.. her health that she sends .for the.. doctor even when there's nothing wrong ..with. her .at.. all.
I'm in .a.. hurry to meet my friend who's arriving .at.. Paddington Station .at.. 5 p.m.
Do you live .in.. the centre or .in the .. suburbs .of... the sity?
What conclusion did the committee arrive .to..?
All .of.. us paid attention .to.. this interesting fact.
We live .in.. a big house .with.. all modern conveniences.
I think i left my pen .at.. home.
Though he speaks fluent French, people often make fun .of.. his accent.