We hope that you wil look（）the cause of the defective goods.

（）you know,this is a popular brand,which can see easily...

填空题（）you know,this is a popular brand,which can see easily in our market.

Scince we are well connected（）the department stores her...

填空题Scince we are well connected（）the department stores here,we can obtain a number of orders for you.

We hereby register a claim with you（）the basis of here,...

填空题We hereby register a claim with you（）the basis of here,we can obtain a number of orders for you.