To complete the passage, here are the best choices for each gap:

1. **interview**
2. **applicants**
3. **reference**
4. **contract**
5. **training**
6. **career**
7. **promotion**

So the filled passage would look like this:

ADVICE TO YOUNG PEOPLE ABOUT TO START WORK

In these days of high (0) unemployment, it is often difficult for young people to find a job. If they are lucky enough to be asked to go for a(n) (1) **interview**, they may find that there are at least 20 other (2) **applicants** for the job. If a company is thinking of offering you a job, they will ask you for at least one (3) **reference** from either your previous employer or someone who knows you well. Before taking up your job, you may have to sign a (4) **contract**. You will probably have to do some (5) **training** which helps you to do the job more successfully. Once you have decided that this is your chosen (6) **career**, you will then have to work hard to try to get (7) **promotion**, which usually brings more responsibility and more benefits.