17. I ______ in this neighbourhood since I was three years old. a) live; b) have been living; c) am living

I have been living in this neighbourhood since I was three years old.

Сочетание since и действие, начавшееся в прошлом и продолжающееся до настоящего момента, требуют Present Perfect Continuous.

Ответ: b) have been living.