问题
选择题
It is _____ difficult that we can't finish it in _____ a short time.
A. so, such
B. such, so
C. so, so
D. such, so a
答案
答案：A
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It is _____ difficult that we can't finish it in _____ a short time.
A. so, such
B. such, so
C. so, so
D. such, so a
答案：A