. I’m afraid I’ll turn to Prof. Timlingson. It is .A．too difficult a prob

题干

. 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

上一题下一题 0.85难度单项选择更新时间:2010-07-01 10:10:09

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