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Last term our maths teacher set so difficult an examination problem _____ none of us worked it out.
A. that B. as C. so that D. which
查看习题详情和答案>>Last term our maths teacher set so difficult an examination problem _____ none of us worked out.
A. that B. as C. so that D. which
查看习题详情和答案>>Last term our maths teacher set so difficult an examination problem _____ none of us worked out.
A. that B. as C. so that D. which
查看习题详情和答案>>