一道英文填空题求解
问题描述：
一道英文填空题求解
Antarctica is the only continent that has no permanent human population.Most people know that (1) is very cold and is covered (2) snow and ice.But,there (3) quite a nimble of reasons for people to be there.Scientists have lots of reasons （4）study this place.For centuries,the world （5）ignored this continent,(6) it is the last one to be fully explored.But why would we be interested （7）studying this desolate place?What would make (8) group of people want to risk (9) lives exploring an unknown,dangerous area?
答
1.it
2.with
3.are
4.to
5.has
6.so
7.in
8.a
9.their