Что необходимо подставить? Помогите пожалуйста Complete the sentences with the correct

Что необходимо подставить? Помогите пожалуйста
Complete the sentences with the correct word: heavy, unemployment, cost, helpful, crowded, bustle, convenient, peace
There is a low rate of in big cities. My father hates driving in . traffic. Mary spent a day in Moscow, but found the streets very . Tom lives in the country because he likes the friendly and people. He enjoys living in the city, but he doesnt like the high . of living. Public transport is in my town. We go for a walk in the country, because we need some and quiet. I miss the hustle and of London.