Exercise 1. Fill in the blanks with in or at. 1. I will see you ________ the train station. 2. There is no soup ________ the bowl. 3. You should put the meat ________ the fridge to keep it fresh. 4. My mother came to pick me up ________ the airport. 5. My father is ________ work right now. He often finishes at 5 p.m. 6. Get off the bus ________ the next stop. 7. She lives ________ a small town ________ France. 8. There are some books ________ the box over there. 9. There is a big bed ________ my room. 10. Sicily is a region ________ the south of Italy. Exercise 2. Fili in the blanks with in or on. 1. Who is the man ________ the blue shirt? 2. Do you want your food ________ a bowl or ________ a plate? 3. There are different kinds of fruits ________ the table. 4. There is a water stain ________ the ceiling. 5. There is a good movie ________ TV tonight. 6. People often gather together and watch fireworks ________ New Years Eve. 7. My apartment is ________ the fifth floor. 8. My cousin lives ________ a small cozy apartment with his wife. 9. There are lots of shops and restaurants ________ the city center. 10. I put my daughters toys ________ a big box.

1. I will see you _______at_ the train station.
2. There is no soup __in______ the bowl.
3. You should put the meat __in______ the fridge to keep it fresh.
4. My mother came to pick me up ______at__ the airport.
5. My father is ___at_____ work right now.
He often finishes at 5 p.m. 6. Get off the bus __at______ the next stop.
7. She lives __in______ a small town __in______ France.
8. There are some books __in______ the box over there.
9. There is a big bed ____in____ my room.
10. Sicily is a region ___in_____ the south of Italy. 
Exercise 2. Fili in the blanks with in or on.
1. Who is the man ____in____ the blue shirt?
2. Do you want your food __in______ a bowl or __in______ a plate?
3. There are different kinds of fruits ____on____ the table.
4. There is a water stain ___on_____ the ceiling.
5. There is a good movie ___on_____ TV tonight.
6. People often gather together and watch fireworks ____on____ New Years Eve.
7. My apartment is ____on____ the fifth floor.
8. My cousin lives ___in_____ a small cozy apartment with his wife.
9. There are lots of shops and restaurants ___in_____ the city center.
10. I put my daughters toys ____in____ a big box.
*một số cấu trúc làm bài:
- at ( vào lúc, ở tại) + các địa điểm như : at the train staition; at the crossroad; at the next stop....
- in ( vào lúc, ở trong) + miền bắc/ nam/...  + of + tên nước : in the south of VN, in the north of VN...
- on ( vào lúc, ở trên) + thứ tự: on the first; on the fifth floor...