Помогите пожалуйста решить)))

III. Вставьте вместо точек необходимые предлоги. 1. She is a secretary. She works ... the office. 2. What's the phone number? - I don't remember. Try to find ... the directory. 3. I'm Norman Baker ... GLC Electronics. 4. ... the desk I've got a bin ... waste paper.

from, for, in, at, under

1) in. 2) at. 3) from. 4) under, for

1.in

2.at

3)from

4)under

5) for