Need your Kind Help Please..

[NiceCareing]

Dear Friends

I want to apply for my ILR on basis of 10 years long residence. I have my following documents

1.Application form 04/12
2.Passports
3.Photos
4.6 months Salary slips
5.6 months Bank statements
6.Life in UK test
7.All student visa extension letter from UKBA
8.All absence list
9.Bank draft £991

My questions

A.Is there any thing missing in my document?

B.Do I need to send also photocopies of my all documents (Beside all ORIGINALS) including application form or only Original documents?

C.Is covering letter is must with application?

I would be highly grateful to you for your kind help.

Thanks
Nice