In English, the aspirated [ph] and the unaspirated [p] are__________.
A. minimal pairs
B. in phonemic contrast
C. two distinctive phonemes
D. in complementary distribution
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___________ 查看材料
A. station
B. craft
C. travel
D. age
___________ 查看材料
A. would
B. will
C. must
D. need
___________ 查看材料
A. any
B. each
C. some
D. every