问题
选择题
34. This is____ a difficult problem ____ all of us can't work it out.
A．such; that
B．so;that
C．such; as
D．so;as
答案
答案：A
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34. This is____ a difficult problem ____ all of us can't work it out.
A．such; that
B．so;that
C．such; as
D．so;as
答案：A