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Braille to the new system of dots and dashes.A.was devoting-studyingB.was devote

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Braille to the new system of dots and dashes.A.was devoting-studyingB.was devote

Braille________ to________ the new system of dots and dashes.

A.was devoting…studying

B.was devoted…study

C.was devoting…study

D.was devoted…studying

试题答案

D