Если это задал учитель,то он должен был сказать что надо ставить в начале -Dear,hi и т.д
Мы писали так :
Dear Alex,
I live in Kaluga. First of all Kaluga is known for being from 1892 to 1935 in Kaluga lived and worked founder of the Russian Konstantin Tsiolkovsky Astronautics. With the formation of 5 July 1944 the Kaluga region, Kaluga became its administrative center. In 1967, the Kaluga region was awarded the Order of Lenin, and in 1971, the year of its 600th anniversary, Kaluga was awarded the Order of the Red Banner. Kaluga beautiful city!