It’s a book.
It’s a well-known organisation.
A question is something that needs answer.
An old book was on the table.
It’s a good restaurant.
An important question was discussed.
There is a window in the room.
A Chinese restaurant is just around the corner.
A hamburger is tasty.
A horse is a strong animal.
Спасибо)) В предложении пропущен артикль AN — A question is something that needs _ answer? Исправьте, пожалуйста)
Спасибо, подкорректировала