(a)1.inviting
(d)2.accepting
(c)3.confirming 确定,批准
(b)4.arranging 安排,排列,协商
(f)5.cancelling
(e)6.thanking
A.We are pleased to invite you to the launch of our new range...
B.Please book a room for the night of 27 July...
C.I am pleased to confirm your meeting with Mr.Smith...
D.I will be pleased to attend the launch of your new range of...
E.Thank you for your hospitality while I was in Bangkok...
F.I am afraid I will not be able to keep my appointment on.