Christmas is __ special holiday when __ whole family are supposed to get together.填什么

圣诞节是一个全家团聚的特别节日. 一个节日,指众多节日中的一个,是泛指,用a. the whole family 是每个特 定的家庭,不是任何家庭,所以是特指,用the.
Christmas is a special holiday when the whole family are supposed to get together.