19. He inquired _______ intended to buy this car.
(A) do you or do you not
(B) whether or not I
(C) do I or do I not
(D) if or not I
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統計: A(10), B(350), C(31), D(26), E(0) #606308
統計: A(10), B(350), C(31), D(26), E(0) #606308