15. To _______ the professor, Tina has spent most of her free time preparing for the presentation.
(A) impress
(B) express
(C) depress
(D) oppress
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統計: A(425), B(41), C(12), D(10), E(0) #2795802
統計: A(425), B(41), C(12), D(10), E(0) #2795802