Sure! Here are the completed sentences with the correct prepositions (IN, ON, AT):
a) I'm waiting for you at the bus stop.
b) The pink t-shirt is in the closet.
c) There are many English books on the shelves.
d) Can you see that poster on the wall?
e) I meet my friend Laura at the shopping centre.
f) I am at home now. Call me in a few minutes please.
g) Sarah is at the airport. I hope she'll be here right in time.
h) I get up at 7 o'clock in the morning, so I never go to bed late at night.
i) My brother studies at university, my sister is still in school, and I work as a nurse in a hospital.
j) My birthday is in May. I was born on May 3rd, 1988 in Madrid, Spain.
k) I live at 24 St. Theresea St, Denver, Colorado.
l) The Beatles were the best band in the 1960s. They were always at the top of the lists.
m) There's a new shop on Main Street, right in the middle of town.
Let me know if you need further assistance!
