7. The soporific effect of the old professor’s lecture made it difficult for the students to stay awake.
Many of them nodded off in class.
(A) abstruse
(B) effervescent
(C) garrulous
(D) narcissistic
(E) somnolent
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統計: A(6), B(3), C(5), D(9), E(41) #3102048
統計: A(6), B(3), C(5), D(9), E(41) #3102048