GRE Text Completion: Princeton-GRE填空Princeton - AG2W9DPCB9Y8G1B09

Regardless of the long-winded answers Michael consistently gave in class, his teachers remember him as ____________ student, rather than a garrulous one, because he generally kept to himself. A. a taciturn B. a voluble C. an uncommunicative D. a querulous E. a disinterested F. an eccentric