PHYSICALLY in contact with and supported.The preposition 'about' means on the subject of; concerning.The preposition 'in' is used as an INTEGRAL part of (an activity).The preposition 'of' is used to indicate relating to, BELONGING to.Hence, the correct answer is option 4. Complete Sentence: He was accused of theft.A preposition is a WORD used to link nouns, pronouns, or phrases to other words within a sentence.They act to connect the people, objects, time and locations of a sentence.Prepositions are usually short words, and they are normally placed directly in front of nouns.