Progress check: 1.какое слово наиболее подходит слову ( a nephew ) данные слова (a neighour)(sister's son)(brother's daughter)(boy) прошу вас.заиание .

Sister's son должно потому что двоюрный брат это сын сестры

There are a lot of people who prefer living  in a camping and sleeping under the open air. of course, this kind of vacation is better to spend with your friends and  without parents. these vacation  assumes  a lot of advantages.  first of all, it is freedom, friends, music, swimming without borders, life without any prohibitions and care of adults.  secondly, you can just enjoy the nature and beauty around you. but there are certain some disadvantages of such kind of vacation. first of all, safety. young people without adults, especially girls, can be offended.   it is scary and risky. besides, i preder living in a  comfortable room with a bath, cold and hot water and without any  mosquitoes.as a result, camping is not for me!

1. i haven't cleant my football boots. 2. they haven't started their meal. 3. i haven't done my homework. 4. he hasn't win all his matches this year. 5. my brother and i haven't seen any films this week. 6. it's my birthday party today. i haven't invited many people. 7. he hasn't washed his hands. they're very dirty. 8. mum'sreally angry. we haven't tidied our room! 9. i can't play with my friends this evening. i haven't finished my homework. 10. i haven't visited new york for three years. 11. where's alison? we haven't seen her since yesterday. 12. dad hasn't taken a holiday since last augutt. 13. john hasn't played the violin since he was in school.