1 Complete the text with a / an / the / – (no article) or one.
My name’s (1) – Jessica Wallace. I live on (2) the second floor of an apartment building near Fifth Avenue in (3) - New York, in (4) the USA. I work for (5) an English-language school as (6) an IT consultant. I haven’t got (7) the office of my own. I’m responsible for (8) maintaining our small computer network of (9) nine PCs. There is (10) PC for every three full-time teachers, but I’m (11) only person working in IT.