19. b) Definite place
He is not at home.
at the theater.
at the club.
at school.
at 518 Mexico Street.
at the bus stop.
20. c) Next to:
The student is at the blackboard.
at the door.
at the window.
at the table.
21. IN
Parts of the day
She likes to study in the morning.
in the afternoon.
in the evening.
EXCEPTION: at night
22. b) Months – Seasons – years
She goes to the beach in December.
in Summer.
I met him in 2010.
We are in the 21st century now.
23. c) Neighborhoods - Villages - towns
- cities – departments - countries –
continents
They live in New York.
in Santa Catarina.
in Brazil.
in Europe.
24. d) in
We are in the kitchen.
in the car.
in the living-room.
25. PAY ATTENTION!
He is at the club. (playing)
He is in the club. (in the property)
26. ON – sobre
a) Days of the week, Roads,
Avenues
He traveled on Tuesday.
on May 1st
on a sunny morning.
on Christmas day
27. b) Roads – Avenues
I live on Vicente Machado Street.
c) Contact with a thing.
The picture is on the table.