There is no power like power of confidence and there is no student as competitive as st

问题补充：

There is no power like power of confidence, and there is no student as competitive as

student who trusts his own abilities.

A. the; a

B. a; the

C. /; a

D. the; /

答案：

(答案→)A. the; a

B. a; the

C. /; a

D. the; /

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