At the Office
Prepositions of Place, Similarity and Function
Use 'in' with countries, cities, towns and regions.
Example:
The regulatory agency is in downtown Portland.
The code of ethics we wrote in the United States includes respecting privacy unless the law requires disclosure. "
Use 'at' for place in a city, town or village.
Example:
I'll do the research at the library.
The Community-Based Learning Initiative starts at school.
Like and As
Use 'like' as a preposition to express that two are objects are similar in some characteristic.
Example:
That natural resource smells like rotten eggs.
Community groups in the United States behave just like community groups in the UK.
Use 'as' to express the function that a person takes in an organization.
Example:
Tom does drug screenings because he works as a hiring agent.
Darian works as a conference coordinator.