Помогите пожалуйста составить предложения со словами: unoccupied, independent, indefinite, uncovered, unpopulated, uncomfortable, incomplete, unknown.

The moon is unoccupied. The USA became independent in 1776. English articles can be definit (the) and indefinit (a/an). The picks of the high mountains are seldom uncovered. Australia is an unpopulated continent. The chair was very old and uncomfortable. The exercises are still incomplete. A lot of ancient authors of the books are unknown.