are you at the office
Usually you would say that you were at the office, but saying that you were in the office is grammatically correct as well (as long as you are technically in the office building). "I am in office" without the word "the" is only correct if you are currently holding a position which expires (like President or Chair).
Please address all your queries to the following office.
I would tend to say is working in an office.
"It is one of the biggest cities" is correct.
That is the correct spelling of the past tense verb or adjective "elected" (voted into office).
If it is the office of one nurse, this is correct - nurse's office. If it is the office of a group of nurses, this is correct - nurses' office.
principal's office is correct
"Is he at office?" is in fact correct, but a very old fashioned way of making that statement. A more current way would be "Is he in the office?" or "Is he in his office?"
I am present in the office today.Today, I am present in the office.
Both could be correct, depending on context
Usually you would say that you were at the office, but saying that you were in the office is grammatically correct as well (as long as you are technically in the office building). "I am in office" without the word "the" is only correct if you are currently holding a position which expires (like President or Chair).
"Out of Office" used to be "Out of Faculty". Microsoft kept using "OOF" when writing about "Out of Office" - so I guess that is the correct term.
correct answer is 0. It was a round office
you are standing
Yes that is a correct sentence, as long as you have identified who "he" is in a previous statement.
you missed a comma. Three young, pretty ladies dropped by the office.
If you're looking for the grammatically correct way of asking the above question it's 'Are you in an office ?'