Introduce the following people.

Introduce the following people. Example, a fellow-student to your mother - my mom's colleague!!.

1. a guest professor to his audience -

2. yourself to a group of students -

3. a friend of your age to an elderly lady at the party -

4. a colleague (Robert Brown) to your husband/wife -

5. your brother to the director of your company, you want him to get a job with the company -

Help me, please!!!!!