9. President Obama is the most powerful in the world.A. Compared toB. In a senseC. In si

问题补充：

9. , President Obama is the most powerful in the world.

A. Compared to

B. In a sense

C. In sight

D. Definite

答案：

A. Compared to

(答案→)B. In a sense

C. In sight

D. Definite

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