50 1)it has liquor water and a (protect) atmosphere, both of which are essential for life. 2)and of all the planets in solar system, the earth is at just the right (distant) from the sun to be neither too hot nor too cold 3)earth's interior consists of (lay) of rock that surrounds a core made of iron and nickel. 4)however, many people are worried that (pollute), human overpopulation, and (use) of resources may destroy this balance and make the (safe) for plants and animals

Hobbies for children are not only fun, but it is also an opportunity to try and choose the interest of their future profession and find talents. Children can try to choose their hobbies, asking themselves questions like: ”What would I like to do regularly in the afternoon, what would I like to learn?” Hobby is something that we like to do and that makes us happy. It is the occupation which people like to do when they have free time and when they want to keep themselves busy. Also, hobby helps people to forget their problems.

Everyone has his own hobby. Some collect stamps and coins, the others are wild about music and drawing. Women like knitting and sewing. The favorite thing to do for some men is fishing.

A hobby of many people is reading books. They read everything they get into their hands. Book lovers have their own small libraries at home. But they often visit school and city libraries, as there they can find new and interesting books for themselves and their friends.

1. I was watching a documentary, when I heard a noise coming from the kitchen. 2. As Jack was driving home, he had an accident. 3. Sandra was cooking while her husband was reading a newspaper. 4. While I was jogging in the park, my brother was playing with his son. 5. When Peter entered the office, the others were having a meeting. 6. While Sean was working on his laptop, his brother was fixing his bicycle. 7. Last night Ben called John, but he didn't answer the phone because he was out in the garden.