1)He is not in the town. He … on a special mission.
2) By the time he arrives everything … .
3) Newspapewrs in some countries … in kiosks as well as in shops
4) It was three o’clock. We … to hurry up because we …
5) If he … car, he would get to work faster.
6)Try … some water if you want healthier skin.
7) I … your laptop next week because I have a very important presentation.
8)If I don’t study for the next test, I … fail it.
9)The government says that reforms … in the new year.
10) Mary … swim when she was six.
11) At that moment the suspect … by the police
12) It must … without delays.
13) A cold wind … for the last these days.
14) If you hadn’t eaten all those sweets you … stomach ache.
15) He … this crime. He was with me all the night.
16) They said they … the law.
17) You … a six month contract when you are oered a permanent position elsewhere.What will you do?
18) Do you want … a pizza for dinner?
19) How often … quiz shows?
20) Jone … the vase in the living room.

Hi friend,My name is Dasha.Im YOUR (ошибка) new penfriend. I am from Russia. I (БЕЗ AM -ошибка) live in Voronezh. I’m 25. I’m A (ошибка) web designer. I work for a popular newspaper. It’s called Voronezh Times.My family IS (ошибка) not very big: father, mother, my sister and me. My father is an engineer and my Mum IS (ошибка) a librarian. My sister is fifteen. HER (ошибка) name is Ann. She is at school. We have two pets. I HAVE (ошибка) a dog and my sister has a hamster. I prefer dogs. They are nice.I like reading. My favorite writer is Den Brown. My favorite book IS (ошибка) Da Vinci’s Code. My favorite sport is tennis. My favorite sports star IS (ошибка) Sharapova. She is a good athlete and she is so beautiful! She is like a model!When I AM (ошибка) free, I like singing and dancing. My favorite music is rap and R&B. My favorite pop star is Britney Spears. She is great! At the weekend I like going to cinema with my friends. My favorite film is Pirates of the Caribbean. My favorite film star is Johnny Depp. HE IS (ошибка) great!What music do you like? WHO (ошибка) is your favorite star? Write soon,Dasha

ошибки исправлены и в скобках написано (ОШИБКА). хотя и слово favorite я бы исправила на  favoUrite, но возможен и такой вариант.

Hi friend,
My name is Dasha.
I'm your (1) new penfriend. I am from Russia. I (2) live in Voronezh. I’m 25. I’m a (3) web designer. I work for a popular newspaper. It’s called Voronezh Times.
My family is(12) not very big: father, mother, my sister and me. My father is an engineer and my Mum is (4) a librarian. 
My sister is fifteen. Her(5) name is Ann. She is at school. We have two pets. I have(6) a dog and my sister has a hamster. I prefer dogs. They are nice.
I like reading. My favorite writer is Den Brown. My favorite book is(7) Da Vinci’s Code. My favorite sport is tennis. 
My favorite sports star is(8) Sharapova. She is a good athlete and she is so beautiful! She is like a model!
When I am(9) free, I like singing and dancing. My favorite music is rap and R&B. My favorite pop star is Britney Spears. 
She is great! At the weekend I like going to the(10) cinema with my friends. My favorite film is Pirates of the Caribbean. My 
favorite film star is Johnny Depp. He is(11) great!
What music do you like? Who is your favorite star? 
Write soon,
Dasha