I don't know if it's a multiple choice question or not, but these are some words that would work. Secretive, cryptic, introverted, shy, or uncommunicative. By the way you spelled because wrong.
Drafting an outline of the essay
Why don't u look it up in the dictionary and see ?
"Everyone loves chocolate in any form". The preposition phrase in the previous written sentence is "in any form". A preposition phrase is considered as such when it includes a preposition, in this case the word "in", but also has an object and any other word that modifies the object. In the example used, the object of the preposition phrase is "form" and the word "any" works as a modifier of the object.
