Downhill Mountain bikers cycle under/down /into huge mountsins. They Use... A) Mountain bikes. B) hill bikes C) BMX bikes​

We study English first of all for communication. If you know English you can read ang write. You will know the culture and traditions of that country. You will know not only their language and culture but the language and traditions of your own country better. English is spoken all over the world. English will help you in your life. The more languages you know the more educated you're.
перевод:
Мы изучаем английский, прежде всего, для общения. Если ты знаешь английский ты сможешь читать и писать. Ты узнаешь культуру и традиции этой страны.Ты узнаешь не только язык и культуру этой страны но и язык и традиции свой страны лучше.На английском говорят во всем мире. Английский тебе в жизни. Чем больше языков знаешь, тем образованее будешь.

1. I can’t give you these articles. They (are being translated) now.
2. The letter (will not be written) tomorrow.
3. English (is spoken) all over the world.
4. My dress is clean now. It (has been washed).
5. These houses (were built) in 1500.
6. Rugby (has been played) since 1845.
7. Flowers are usually (sold) in the streets.
8. This film (will be discussed) at the next lesson.
9. Wait a little! Your question (will have been received) by next Sunday.
10. The UK (is washed) by the Atlantic Ocean and the North.