19. Since my professor ____ on the syntactic structures of conditional sentences, I have been able to use them in my daily life.
(A) expounded
(B) compounded
(C) pounded
(D) expended

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統計： A(18), B(7), C(2), D(0), E(0) #488684

詳解 (共 1 筆)

#881419
Expound闡述

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