35.Although the professor’s ideas
(A) have changed considerably
(B) since he
(C) rose to prominence in the 1950s, several elements have
(D) remained fair constant.
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統計: A(101), B(97), C(183), D(133), E(0) #3108252
統計: A(101), B(97), C(183), D(133), E(0) #3108252