我愿借此机会向各位表示热烈的欢迎。
A.I would avail myself of this opportunity to extend my warm welcome to you all. B.I would avail myself of this chance to extend my warm welcome to you all. C.Please allow me to borrow this opportunity to extend my warm welcome to you all. D.Please allow me to borrow this chance to extend my warm welcome to you all.正确答案A
