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15.By ( ) billy we have learned that you would like to establish business relations with us
A. the courtesy from
B. courtesies from
C. the courtesies of
D. the courtesy of
满分：4分♦
(责任编辑：admin) |
|
15.By ( ) billy we have learned that you would like to establish business relations with us
A. the courtesy from
B. courtesies from
C. the courtesies of
D. the courtesy of
满分：4分♦
(责任编辑：admin) |