Английский язык, переписать предложения, используя unless, in case, as/so long as​

1. It is a very popular television program. It is watched by millions of people
2. They could not meet yesterday. The date of meeting was changed
3. There is a very thick fog in the city today. All the flights have been put off at the airport
4. Jim works as a driver. He is not paid very well
5. She always celebrates her birthday in the restaurant. A lot of guests are invited every year
6. What a beautiful monument it is! When was it constructed?
7. The facade of the Tretyakov Gallery is very beautiful. It was designed by Vasnetsov
8. The library is very rich. A lot of books have been gathered from all over the world.

Если я правильно понимаю, нужно написать из чего сделаны музыкальные инструменты. Если это так, все очень просто.
1. Strings are made from sheep gut.
2. Drams are made from metal, wood and a vibrating membrane.
3. Stringed instruments are made of wood.
4. Flute is made from yellow brass plated with silver.
5.Most electronic instruments are made of plastic and metals.
6.Saxophones are made of brass.
7.Woodwinds are made of wood.
8.Experimental strings are made of silver, glass, gold, silk.
9.Brass instruments are made of brass.
10.Tambourine is made of hoop, small metal discs set.