You‘ll find this Travel Guide to be of great__________ in helping you and your children to
A. cost
B. price
C. value
D. expenditure
查看答案
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
___________ 查看材料
A. station
B. craft
C. travel
D. age
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