最好比较正式，快快快！！！
May I welcome your arrivals on behalf of the whole class .
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第1个回答 2008-05-27
I sincerely extend welcome on behalf of the teacher in charge and all personnel schoolmate to everybody's arrival!
第2个回答 2008-05-27
I, on behalf of the class teacher and all my classmates welcome your arrivals.
第3个回答 2008-05-27
I, on behalf of the class teacher and the whole class to welcome the arrival of
第4个回答 2008-05-27
I welcome the arrival of all of you on behalf of our headteacher and all of my fellow classmates.
第5个回答 2008-05-27
都是机译的，以上！
