I saw it on the labels in many of the clothes I looked at.這個句子中looked at指的是在看什麼? 你的立即回應，不勝感激(正確順序) reply，appreciated，Yours，greatly，will be?

看衣服，your prompt reply will be greatly appreciated.

You are looking at clothes (plural, no singular);
prompt vt--what prompted him to write ?
prompt adj--a prompt reply.
no Yours.
Hence:-eg:-Your "prompt" reply will be greatly appreciated.

I saw on the labels in many of the clothes I looked at yours reply will be greatly appreciated. Yip