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.