问题补充：
This is such a wonderful film we have never seen before.
A. that
B. as
C. which
D. what
答案：
A. that
(答案→)B. as
C. which
D. what
解析：考查定语从句，当先行词被such，as，so，the same修饰的时候，定语从句用as修饰，并在定语从句中as做主宾表，句意：这是我们以前没有看过的精彩的电影。选B。
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