We are glad that in the past few years,（）joint efforts,have greatly promoted both business and friendship.

“朋友圈”找客戶的方法主要是指以下哪些網(wǎng)站？（）

While （） an enquiry, you ought to enquire into quality specification and price etc.

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

In view of the long-stanging business relations（）us,we wish to settles this dispute amicably.

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

Your quotation happens to be exactly the same（）we have received from Australia.

We are awaiting your revised draft（）keen interest.

As to chemical products we are well connected（）the major producers in America.

We have established an irrevocable letter of credit（）your favour with the Bank of China,Guandong．