1. one day a young man was writing a letter to his girlfriend a few miles away.
live
2.among other was telling her how much he loved her
thing
3.and how wonderful she
be
4.finally, he wrote that in order to be with her he greatest dangers
face
5..
can
6.in fact, to spend only one minute with was ready to climb
she
7. in the world.
high
8.he finished the letter, signed his name and suddenly remembered that he mention something important.
forget
9.so, he added, 'by the way, i'll come to see you on wednesday
not rain
вставьте в правильной форме и объясните почему? ​​

Have been tested - Новые три вагона поезда-цистерны были испытаны в суровых зимних условия на ж/д в Аляске.
will have been completed - Строительство моста и дамбы будет закончено к началу сезона навигации.
are being constructed - В настоящее время в Европе и Азии строятся 2500 км скоростных линий.
maintains - система кондиционирования воздуха всегда поддерживает оптимальную температуру и влажность в вагоне.
is being built - В настоящее время новая высокоскоростная железнодорожная линия строится на севере России. 
has caused - Потоп значительно повредил железнодорожную ветку.

1. It's not always easy for the old and the young to find a common language.
2. Don't envy the rich: money doesn't always bring happiness.
3. Governments have to develop social programs to help poor people.
4. I quite like old houses: they have an atmosphere of their own.
5. You don't look beautiful today!
6. Looking after the sick is a real art.
7. The beautiful are often admired.
8. Deaf people often use their hands to communicate in sign language.
9. Some of her relatives were among the dead and injured.
10. Have you ever been unemployed?
11. All parents want to see their children among the happy.