463. Instead of taking notes during the interview, the journalist recorded the celebrity's remarks on tape and later ______ them.
A. disavowed
B transcribed
C. anticipated
D. retracted
E. recollected
464. Like several other important advances in medicine, penicillin was a somewhat ______ discovery resulting from ______ combination of blind chance and technical expertise.
A. progressive, a reliable
B. wonderful, an unlucky
C. untimely, a profitable
D. ordinary, an unfortunate
E. accidental, a favorable