<span>1. I (have been do</span><span>ing) the housework since this morning.
2. David and Mary (</span><span>have been go</span><span>ing) out together now for nearly five years.
3. We have no idea how long they (have been swimm</span><span>ing) for, but it has certainly been longer than an hour now.
4. How long (</span><span>have they been work</span><span><span>ing</span>) at the library?
5. Just look at those trousers. What on earth (</span><span>have you</span><span> been doing)?</span>
<span>: 1)This summer I went to the sea in Sochi so very beautiful , I went in there I saw a dolphin and Delphine
</span><span>2)fur seals yet I was on tour in 33 vodapada vodapade could swim but it was a very cold sea was clean I loved in Sochi</span>
The earth-земля)))))))))))
1. предложение b
2. a, c, b, a
3. a, c
4. b, c, a
5. b, a, b
6. a, b
7. b, b
8. expensive
9. c, b
10.
1) The examination began at nine o'clock.
2) The pupil didn't write anything because he didn't know the answers to the questions.
1 joumalist
2 uncle, aunt.
3 university
4 address
5 magarines, news papers.