posted by Anonymous .
12. Which of the following is the best opening sentence for a business letter that you want to sound fairly informal?
A. Please be advised that I've just received your order.
B. Your order of February 10 arrived in our office today.
C. I am in receipt of your order of February 10.
D. This letter is to make you cognizant of our receipt of your order.
Which one sounds like normal English? Read them aloud to help you decide.