You use at when you're talking about a specific time or place For example: I'm going to arrive at 6:00 pm ; I am going to eat at Burger King You use in when you're talking about a time or place that's not specific For example: I was born in October ; in a park

Hi Yessica, you can book a trial lesson with me if you would like to practice prepositions.

at is for a location; at home, at school, at the cinema, at the station or at the park in is for an area; in the US, in New York, in the north of the city or in the park also, in is for inside something; in my room, in the kitchen, in my bag, in my coffee so, choosing which one depends on what information you want; 'let's meet at the restaurant' = outside or maybe inside.. it's just a location. Or, 'let's meet in the mall, at Starbucks' :)

It depends on what you want to emphasize. "At" is usually more neutral. You would use it to refer to somebody's general location (at the park, at the cinema). They may not necessarily be inside and it's not relevant whether they are. You would use "in" to stress that they are inside (in the park, in the cinema). But "at" is more common.