(用合适的不定冠词完成简介.)
Hi.I'm Julia.I'm From the US.My father works in________________hospital.My mother works in ____office.
Good morning .I'm Franz.I'm from Germany.Myfather is _____________driver.My mother works in ____________supermarket.I want  to be ____police officeer in the future.
Hello .My name is Olive .I come from theUK.My family lives in ________old house .My dream is to be ____ colputer engineer,so Iwork on my computer for more than _____hour every day.
Hello everyone!I'mLi Ming .I live in Shanghai with my parents .My father is _______engineer.My mother is ___nurse.Bute I want to be ____Art teacher!