Fill in the blank with a correct preposition
Exercise 3: Fill in the blank with a correct preposition.
1. I last saw him ____ last March.
2. Section 5 is ____ the first floor of the Prep School.
3. You mustn't smoke ____ a bus.
4. Ahmet's grandmother died ____ 1990 ____ the age of 81.
5. Were there many people ____ the concert?
6. He speaks quite good French. He studied ____ Paris for a year.