Put the verbs in brackets into the present perfect or the present perfect continuous

1. last week i met my friend. he was with a young girl.the girl was a student of our academy.2. this is a pencil. the pencil is red. 3. she is a teacher. she is our teacher of english. 4. it is a lake. the lake is deep. it is one of the deepest lakes in the world.  5. there are many flowers in your garden. the flowers are beautiful. 6. did you write the plan? give me please your plan. 7. the black sea is in the south of russia. 8. this is nick. he is an engineer. he is a good engineer. 9. there are some schools in our street. the schools are new.10. yury gagarin was the first cosmonaut of the world. 11. in summer the sky is blue and the sun shines brightly. 12. the petrovs are very friendly. 13. this is ann`s book. 14. winter begins in december. 15. what a fine day it is today! 16. history and computer science were my favourite subjects at school. 17. i don`t know the way to the station. 18. he is an engineer by profession. 19. usually i get up at 7 o`clock in the morning. 20. will you have a cup of tea? 21. warsaw is the capital of poland. 22. this is  a book. the book is very interesting. 23. do you see the sun in the sky today? 25. i went to but they were not at home.

1. it is cold today. 2. it is snowing all day long. 3. it is morning now. 4. it was very nice to get acquainted with your friend. 5. it is late. it is time to go to sleep. 6. is it funny? 7. it is 10 am already. 8. is it cold outside? 9. it is the beginning of spring but it is warm already. 10. is it far from here?

wild elephants have strong family ties. the females and young are social, living in groups under the leadership of an older female or matriarch. adult males are solitary, although they stay in contact with the females over great distances, using sounds well below the range of human hearing. family groups communicate with each other using these low-frequency vibrations. it is an eerie sight to see several groups converging on a waterhole from miles apart, apparently by some prearranged signal, when human observers have heard nothing.  the natural lifespan of an elephant, about 70 years, is comparable to a human's. elephants reach breeding age at about 15 years of age. females generally give birth to one 200-pound baby after a 22-month pregnancy.

      many young people in britain have a gap year between school and university.they often spend a few months working and then use the money to travel.some of them have a working holiday ,earning money and visiting a foreing country at the same time.it's easy for young people to get jobs working in ski resorts in the winter ,or on farms ,picking  fruit in the summer and autumn.

some   people on a gap year do voluntary work, helping other people overseas.they have to pay for their plane tickets and they don't get money for their work,but while they are working,their food and accommodation are free.africa became a popular place for gap year students to work when britan's prince harry went there as a volunteer in 2004.he worked in lesotho with children whose parents have died.he also spent part of his gap year in australia where he worked on a farm.

  last summer we were in the crimea. the weather was sunny and warm.we swimed a lot enjoyed our holidays.i met some new people there and we became friends.we had a good time together.i was sorry to part with the sea and my new friends.