Weagreetotheamendmentstothecontract_____requestedinyourletterofMay5.

We will inform you ____ our latest information.

______our catalogues for your reference.

When the seller receives the buyer’s counter-offer, and he finds some terms and conditions unacceptable to him, he will state his own opinions in a letter, which is called as _____。

Please see to it that the goods we ordered are shipped as soon as the covering letter of credit ______ you.