Question

Felix is a great traveller. He is only 14, and he lives in (1) ……….USA. Felix has already been to many places in his own country and has visited many other countries, such as (2) ……..Canada, (3) ……..Mexico.
He travels with his father, who is a famous scientist and ecologist. The father often gives lectures in different Universities to overseas students.
Felix has already been to (4) ……France, (5) …….Germany, (6) …….Italy, (7) ………Spain, (8)……….United Kingdom, and some other European countries.
He has seen (9) ………Asia - two years ago he was in (10) ……China, (11) ……India and (12)…….Korea.
He has skied in (13) ………..Alps, climbed in (14) ………Caucasus and (15) ……….Pamirs.
Felix has swum in all the oceans (except (16) ………Arctic Ocean).
Next year Felix's father is going to (17) ………Russia, and Felix hopes he'll go too. He has read a lot about the country. He wants to see (18) ………Moscow and (19) …………St Petersburg, and then he wants to go to some unspoiled areas, to see what Russian nature is like.
Felix's father plans to travel to (20) …….Lake Baikal, (21) ……Onega, (22) …….Caspian Sea and (23)…… Baltic Sea. He plans to climb to (24) ……. Urals, (25) …….Altai and Felix is happy about it. He wants to become an ecologist himself to research and protect the environment

Answer 1

в 1, 8, 13, 14, 15, 16, 20, 22, 23 ставится артикль "The". В остальных ничего