Question

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. This letter is to make you cognizant of our receipt of your order.
C. Your order of February 10 arrived in our office today.
D. I am in receipt of your order of February

Answer 1

The best opening sentence for a business letter that you want to sound fairly informal ‘Your order of February 10 arrived in our office today.’ The answer is letter C.