Discuss with your classmates where there are any problems in the following letter and how you can improve it. Then contrast your improved letter with the original one. D ear Sirs: R eferring to our letter, we wish to call your attention to the fact that up to the present moment no news has come from you about the shipment. A s you have been informed in one of our previous letters, the users are in urgent need of the machine and in fact pressing us for an early delivery. U nder such circumstances, it is impossible for us to extend L/C again . W e feel it our duty to remind you of this matter. W hen will you be ready to ship the goods? Y ours faithfully, A lex Wang