问答题

·Read this message from your secretary.
Message:
When you were out on your business trip, Mr. Zhang, Manager of Datong Company wrote to us- asked us to offer them 2,000 Lihua Brand Bicycles. I contacted Mr. Li, our Sales Manager, he said the demand is very heavy, cannot supply now; when available we can offer.
·Write a letter to Mr. Zhang:
·acknowledging receipt of his letter;
·expressing regret;
·explaining why you can’t supply the goods;
·saying you will inform him when a new supply becomes available.
·Write 60—80 words.
·Do not include postal addresses.