We hope this unfortunate incident wil not afect the friendly relations（）us.

If the first shipment is satisfactory,we can（）with you ...

填空题If the first shipment is satisfactory,we can（）with you some repeat orders.

Your immediate reply should reach us not later（）the end...

填空题Your immediate reply should reach us not later（）the end of this month.

Please take the necessary steps（）delay.

填空题Please take the necessary steps（）delay.