. — Do you think there is anything interest in the exhibition? — Yes I think some of the

问题补充：

. — Do you think there is anything interest in the exhibition?

— Yes, I think some of the pictures are .

A. for; of help

B. of; of great help

C. in; of helpful

D. at; helpful

答案：

A. for; of help

(答案→)B. of; of great help

C. in; of helpful

D. at; helpful

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