another cover letter...

[mary22]

Hi! as I really try to write "targeted" cover letters for each firm, I would like to ask again for a second cover letter correction... I hope this is not too bold as I know there are other people who need help, too...
I'm particularly unsure about comma rules. I'd be very thankful for any comment!

"..........
Since I started studies, I have followed the developments in your firm with great interest. Your emphasis on the social dimension of architecture and particularly your commitment to environmentally -sensitive projects and sustainability are very impressive. Thus, I would be very happy to put my skills into good use in your firm. I am enthusiastic, eager to develop my skills, and willing to work long hours when a project demands it.
......."

[rj1948]

Hi! as I really try to write "targeted" cover letters for each firm, I would like to ask again for a second cover letter correction... I hope this is not too bold as I know there are other people who need help, too...
I'm particularly unsure about comma rules. I'd be very thankful for any comment!

"..........
Since I started studies, I have followed the developments in your firm with great interest. Your emphasis on the social dimension of architecture and particularly your commitment to environmentally -sensitive projects and sustainability are very impressive. Thus, I would be very happy to put my skills into good use in your firm. I am enthusiastic, eager to develop my skills, and willing to work long hours when a project demands it.
......."

...I have been following.......
omit thus.
No comma before and
Regards,
rj1948.

[RonBee]

Since I started studies, I have followed the developments in your firm with great interest. Your emphasis on the social dimension of architecture and particularly your commitment to environmentally -sensitive projects and sustainability are very impressive. Thus, I would be very happy to put my skills into good use in your firm. I am enthusiastic, eager to develop my skills, and willing to work long hours when a project demands it.

Since I started my studies, I have followed the developments within your firm with great interest. Your emphasis on the social dimension of architecture and particularly your commitment to environmentally sensitive projects and sustainability are very impressive. Thus, I would be very happy to put my skills to good use with your firm. I am enthusiastic, eager to develop my skills and willing to work long hours when a project demands it.