7. He spent most of each night "poring over" medical journals from around the world.
(A) falling asleep
(B) skimming quickly
(C) studying intensely
(D) searching for
(E) sending out
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統計: A(0), B(7), C(16), D(9), E(0) #1093369
統計: A(0), B(7), C(16), D(9), E(0) #1093369