Изменяются предлоги.
Объяснение:
Если мы говорим о пространстве, то
in обозначает в, внутри
at тоже обозначает в, но в более абстрактном смысле, не физически ВНУТРИ
Вот например:
I study at school. Я учусь в школе, но мы имеем в виду не В ЗДАНИИ ШКОЛЫ, а говорим об учреждении. Не в институте. Не в детском саду. В школе. Речь вовсе не о конкретном здании.
I'll see you at the theatre. Увидимся в театре. Не в смысле внутри здания театра увидимся, а просто на спектакле, на этом мероприятии увидимся. Может, вообще снаружи здания.
Еще у at есть смысл у, возле, около.
I'll meet you at the corner. Встретимся на углу. Я буду стоять около угла. Где-то неподалеку.
He stopped at the door. Он остановился у двери.
А вот примеры с in:
John is in his office. Джон в офисе, прямо внутри своего кабинета, сидит там и работает.
Если нужно его найти, он там, внутри офиса.
There's a beautiful table in the cafe. В кафе красивый стол. В помещении кафе.
Это общее правило, но есть и всякие нюансы, устоявшиеся выражения, случаи, когда можно сказать и так и так. Нужно стараться подмечать, как говорят и пишут носители языка, и со временем у вас накопится языковой опыт и вам будет проще выбрать предлог.
Только вот в твоём случае практически ничего не меняется, только on the bedroom будет не правильным в использовании.
Essay on Victory Day
One of the most remarkable public events in Russia is the Victory Day. It is traditionally celebrated on the 9th of May. The holiday marks the capitulation of Nazi Germany to the Soviet Union in the Second World War in 1945. It became the end of the Great Patriotic War for the USSR, which lost about 25 million citizens in the four years of fighting and starvation.
Every year all cities across the country have lots of parades and celebrations. Even though the fact that the holiday is celebrated cheerfully, May 9 is a sad day for the majority of our population. Many people have lost close relatives and friends in this terrible war. Almost every family in Russia has a person who didn’t return from the battlefield. A great number of people were seriously injured and became disabled. On this day we are grateful to our saviors, to those who sacrificed their lives for us. That’s why we try to celebrate this day with honors.
There are some traditions that we follow. We give flowers, usually red carnations, to veterans in the street and lay wreaths at war memorial sites. Neighborhood schools may host a program prepared by the students, featuring wartime songs and poetry. Also, there is St. George ribbon campaign, which has occurred on the eve of the Victory Day for nine years already. Millions of Russians and compatriots in 100 countries take part in this campaign. Orange–black ribbons handed out by volunteers in the streets are one more sign of our commemoration of the Great Victory. At home, we gather around a festive table to honor survivors and honor those who passed away. We may also watch a favorite Soviet film based on the events of World War II.
I think it’s a great day in our history, but some part of the younger generation doesn’t understand the importance of this event, which I think is disrespectful. My grandparents took part in this war, and I’m proud of them.
economic problems
economic crisis
economical spending money
Economic reforms
Economic law regulating
economic development
economical car
economic geography
Важно понять, что economic-ЭКОНОМИЧЕСКИЙ, а economical-ЭКОНОМИЧНЫЙ,ЭКОНОМНЫЙ