In front of me_______, where many athletes from all over the world will compete for Olympic gold medals.
---What about the person?---Few in all my life _____ such a _____ person.
This is the use which we made_____sea resources.
I'11 never forget the days _____ I lived in the country with the farmers,_____has a great effect on my life.
Something will have to be done about the air pollution,_____?
Is this the museum _____we visited last year?