Every new theory not only must __(1)__ the valid predictions of the old theory, but must also explai
Every new theory not only must __(1)__ the valid predictions of the old theory, but must also explain why those predictions __(2)__ within the range of that old theory.
Blank (1) -- Blank (2)
(A) Accommodate -- (D) Faltered
(B) Promote -- (E) Failed
(C) Refute -- (F) Succeeded
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