Boris has brains. In fact I doubt whether anyone in the class has IQ.A. a highB. a highe

问题补充：

Boris has brains. In fact, I doubt whether anyone in the class has IQ.

A. a high

B. a higher

C. the higher

D. highest

答案：

A. a high

(答案→)B. a higher

C. the higher

D. highest

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