I help you

1。材料能穿孔嗎，至少PAPER可以吧？
Yes for all supporting documents including recommendations. NO for all the completed forms and checks.
2。是把我的材料和老婆的材料分別裝釘還是放在一起。如果分開，老婆的材料還需另附一張COVER LETTER嗎？
Separately with an independent checklist.

多謝
You are welcome!