"우리는 긴 책을 읽습니다."

Translation: We read a long book.

[jlseymour3]

We read long books should also be accepted.

[Ash-Fred]

"We read long books." is now accepted.

[AmandaStok10]

Same with the long book

[Ash-Fred]

"We read the long book." is now accepted.

[AmandaStok10]

We read "the" long book