英语尖子进!英语教师进!Lasttermourmathteachersetsodifficultanexaminationproblemnoneofusworkedout.A.thatB.asC.sothatD.which我们班同学都选A,参考答案也是A,但老师说答案是B,参考答案错了,

Question

英语尖子进!英语教师进!
Last term our math teacher set so difficult an examination problem ________ none of us worked out.
A.that
B.as
C.so that
D.which
我们班同学都选A,参考答案也是A,但老师说答案是B,参考答案错了,

Answer 1

B 在这里as 引导的是定语从句,先行词有so /such/as 时关系代词用 as
你们选A是把它当结果状语从句了.但是从句不完整.work out 少宾语
如是这样可以Last term our math teacher set so difficult an examination problem ________ none of us worked it out.