Mark informal phrases for your business writing

Please accept our/my sincere apologies.
I/We are very sorry...

Mark informal phrases for your business writing

I would be grateful / would appreciate if you could...
Could you please...?

Mark formal phrases for your business writing

I´m writing to let you know...
I am writing to confirm...

Mark formal phrases for your business writing

I/We wish to draw your attention to...
I wanted to inform you about...

Mark the right meaning

Milestone is:

it is a scheduling event that signifies the completion of a deliverable
the way you describe the boundaries of the project

Steering committee is:

people or groups who have a stake in the outcome of the project
usually a group of high-level stakeholders who are responsible for providing guidance on overall strategic direction

Critical path is:

the sequence of activities that must be completed on schedule for the entire project
a limitation or restriction outside the control of the project team