问题
选择题
. I’m afraid I’ll turn to Prof. Timlingson. It is .
A．too difficult a problem
B．a too difficult problem
C．such difficult problem
D．a so difficult problem
答案
答案：A
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. I’m afraid I’ll turn to Prof. Timlingson. It is .
A．too difficult a problem
B．a too difficult problem
C．such difficult problem
D．a so difficult problem
答案：A