问题
选择题
_______ the students and teachers, I wish to extend our warmest welcome to you.[ ]
A. On business
B. On account of
C. On purpose
D. On behalf of
答案
答案：D
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_______ the students and teachers, I wish to extend our warmest welcome to you.[ ]
A. On business
B. On account of
C. On purpose
D. On behalf of
答案：D