I’ve never seen such an interesting film we saw last night.
A. when
B. as
C. that
D. which
网友回答
A. when
(答案→)B. as
C. that
D. which
解析：考查定语从句：句意：我从没看过昨晚看的这么好看的电影。先行词是such an interesting film，定语从句中saw后面缺少宾语，当先行词被such，as，the same ，as等词修饰，定语从句中又缺少主宾表的时候，用as引导定语从句，选B。