favorable reply /concern over?

favorable reply 點解? 適當的答覆
1.We look forward to your prompt and favorable reply.
我們希望你能儘快給予適當的答覆。
which 同 concern over點解?前者是連續和代表關於後面形容詞附屬句子;而後者是關注的意思;
2. We received you letter of June 30 in which you expressed concern over the damage to you shipment of 450 units of lamps order No. T-104
我們剛接到你六月三十號的來信,你表示關注訂單T-104內所運載450件貨物受損的事。

2013-04-28 08:52:09 補充：
更正; .........運載450件燈泡受損壞的事。

favorable reply
1。我們期待您的及時答覆 。
2。我們收到了你的信于六月三十日你表達了
WHICH concern over
你裝運450單位的燈號訂單t-104 損傷的關注 。