China is a country __________ 56 different nationalities, among which Han ________ the majority of its population.
At last we came to a mountain, at the top of which ______,
---Must I take this medicine, Mom? It ________ so terrible.---Yes, you must take it for another three days.
The audience are _______young people who like pop music at the concert.
--- What does the model plane look like?---Well, the length of its wings is _______ of its body.
---My father studies at Liaoning Mormal University.---________my sister and me.