... in summer, in 21st century in the morning, in the past… in time (for sth / to sth) in the end : finally : not late b Prepositions of places: The black object is in the box c Prepositions with ... in sb/ sth to get married to sb in business : being a businessman on business : to go on business Ex1 : Choosing the appropriate prepositions Luckily, you are in / on time for the meeting ... noon at the moment at the time at the end of sth E.g at the end of the film On : E.g on Monday , On 10th October on time : neither late nor early In : E.g in January, in1 999, in summer, in 21st...