It is such ____ unusual work of art that the museum has decided to buy and keep it.

题目

It is such ____ unusual work of art that the museum has decided to buy and keep it.
(A) an (B)/
我想选B ,因为work不可数,但是答案是A,
(2)If ____ down a second time,the man will have one more try.
(C) turning (D) turned
我想选C,但是答案是D,不知道为什么这里要用被动

答案

是选A 因为art 可数 ,是 an unusual work of art 一件罕见的艺术品.
turn down 拒绝
如果第二次再被拒绝,他会再继续尝试.
so 答案是对的.